Home / 30,495.05-45,746.96-9,436.75

Finding the Fourth Proportional to 30,495.05, 45,746.96 and 9,436.75

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Solution

The fourth proportional to 30,495.05, 45,746.96 and 9,436.75 is: 14,156.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,495.05 : 45,746.96 = 9,436.75 : x
  2. Step 2: Convert to fraction form
    30,495.05/45,746.96 = 9,436.75/x
  3. Step 3: Cross multiply
    30,495.05x = 45,746.96 × 9,436.75
  4. Step 4: Simplify right side
    30,495.05x = 431,702,773.64
  5. Step 5: Solve for x
    x = 431,702,773.64/30,495.05
  6. Step 6: Final answer
    x = 14,156.49

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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.