Home / 30,218.10-45,327.45-9,158.19

Finding the Fourth Proportional to 30,218.10, 45,327.45 and 9,158.19

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Solution

The fourth proportional to 30,218.10, 45,327.45 and 9,158.19 is: 13,737.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218.10 : 45,327.45 = 9,158.19 : x
  2. Step 2: Convert to fraction form
    30,218.10/45,327.45 = 9,158.19/x
  3. Step 3: Cross multiply
    30,218.10x = 45,327.45 × 9,158.19
  4. Step 4: Simplify right side
    30,218.10x = 415,117,399.32
  5. Step 5: Solve for x
    x = 415,117,399.32/30,218.10
  6. Step 6: Final answer
    x = 13,737.38

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.