Home / 43,407.18-65,111.31-13,824.90

Finding the Fourth Proportional to 43,407.18, 65,111.31 and 13,824.90

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Solution

The fourth proportional to 43,407.18, 65,111.31 and 13,824.90 is: 20,737.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,407.18 : 65,111.31 = 13,824.90 : x
  2. Step 2: Convert to fraction form
    43,407.18/65,111.31 = 13,824.90/x
  3. Step 3: Cross multiply
    43,407.18x = 65,111.31 × 13,824.90
  4. Step 4: Simplify right side
    43,407.18x = 900,157,349.62
  5. Step 5: Solve for x
    x = 900,157,349.62/43,407.18
  6. Step 6: Final answer
    x = 20,737.52

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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.