Home / 40,006.53-59,972.70-13,705.02

Finding the Fourth Proportional to 40,006.53, 59,972.70 and 13,705.02

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Solution

The fourth proportional to 40,006.53, 59,972.70 and 13,705.02 is: 20,544.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,006.53 : 59,972.70 = 13,705.02 : x
  2. Step 2: Convert to fraction form
    40,006.53/59,972.70 = 13,705.02/x
  3. Step 3: Cross multiply
    40,006.53x = 59,972.70 × 13,705.02
  4. Step 4: Simplify right side
    40,006.53x = 821,927,052.95
  5. Step 5: Solve for x
    x = 821,927,052.95/40,006.53
  6. Step 6: Final answer
    x = 20,544.82

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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.