Home / 43,376.76-65,059.20-13,793.40

Finding the Fourth Proportional to 43,376.76, 65,059.20 and 13,793.40

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Solution

The fourth proportional to 43,376.76, 65,059.20 and 13,793.40 is: 20,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,376.76 : 65,059.20 = 13,793.40 : x
  2. Step 2: Convert to fraction form
    43,376.76/65,059.20 = 13,793.40/x
  3. Step 3: Cross multiply
    43,376.76x = 65,059.20 × 13,793.40
  4. Step 4: Simplify right side
    43,376.76x = 897,387,569.28
  5. Step 5: Solve for x
    x = 897,387,569.28/43,376.76
  6. Step 6: Final answer
    x = 20,688.21

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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.