Home / 42,713.17-64,135.59-36,136.08

Finding the Fourth Proportional to 42,713.17, 64,135.59 and 36,136.08

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Solution

The fourth proportional to 42,713.17, 64,135.59 and 36,136.08 is: 54,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,713.17 : 64,135.59 = 36,136.08 : x
  2. Step 2: Convert to fraction form
    42,713.17/64,135.59 = 36,136.08/x
  3. Step 3: Cross multiply
    42,713.17x = 64,135.59 × 36,136.08
  4. Step 4: Simplify right side
    42,713.17x = 2,317,608,811.09
  5. Step 5: Solve for x
    x = 2,317,608,811.09/42,713.17
  6. Step 6: Final answer
    x = 54,259.82

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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.