Home / 30,155.15-45,240.26-9,094.68

Finding the Fourth Proportional to 30,155.15, 45,240.26 and 9,094.68

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Solution

The fourth proportional to 30,155.15, 45,240.26 and 9,094.68 is: 13,644.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,155.15 : 45,240.26 = 9,094.68 : x
  2. Step 2: Convert to fraction form
    30,155.15/45,240.26 = 9,094.68/x
  3. Step 3: Cross multiply
    30,155.15x = 45,240.26 × 9,094.68
  4. Step 4: Simplify right side
    30,155.15x = 411,445,642.34
  5. Step 5: Solve for x
    x = 411,445,642.34/30,155.15
  6. Step 6: Final answer
    x = 13,644.29

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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.