Home / 24,129.12-36,190.32-13,445.04

Finding the Fourth Proportional to 24,129.12, 36,190.32 and 13,445.04

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Solution

The fourth proportional to 24,129.12, 36,190.32 and 13,445.04 is: 20,165.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,129.12 : 36,190.32 = 13,445.04 : x
  2. Step 2: Convert to fraction form
    24,129.12/36,190.32 = 13,445.04/x
  3. Step 3: Cross multiply
    24,129.12x = 36,190.32 × 13,445.04
  4. Step 4: Simplify right side
    24,129.12x = 486,580,300.01
  5. Step 5: Solve for x
    x = 486,580,300.01/24,129.12
  6. Step 6: Final answer
    x = 20,165.69

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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.