Home / 40,372.59-60,568.47-13,720.35

Finding the Fourth Proportional to 40,372.59, 60,568.47 and 13,720.35

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Solution

The fourth proportional to 40,372.59, 60,568.47 and 13,720.35 is: 20,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,372.59 : 60,568.47 = 13,720.35 : x
  2. Step 2: Convert to fraction form
    40,372.59/60,568.47 = 13,720.35/x
  3. Step 3: Cross multiply
    40,372.59x = 60,568.47 × 13,720.35
  4. Step 4: Simplify right side
    40,372.59x = 831,020,607.36
  5. Step 5: Solve for x
    x = 831,020,607.36/40,372.59
  6. Step 6: Final answer
    x = 20,583.78

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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.