Home / 63,690.17-87,869.98-38,204.80

Finding the Fourth Proportional to 63,690.17, 87,869.98 and 38,204.80

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Solution

The fourth proportional to 63,690.17, 87,869.98 and 38,204.80 is: 52,709.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,690.17 : 87,869.98 = 38,204.80 : x
  2. Step 2: Convert to fraction form
    63,690.17/87,869.98 = 38,204.80/x
  3. Step 3: Cross multiply
    63,690.17x = 87,869.98 × 38,204.80
  4. Step 4: Simplify right side
    63,690.17x = 3,357,054,839.99
  5. Step 5: Solve for x
    x = 3,357,054,839.99/63,690.17
  6. Step 6: Final answer
    x = 52,709.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.