Home / 63,569.13-87,742.42-39,681.42

Finding the Fourth Proportional to 63,569.13, 87,742.42 and 39,681.42

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Solution

The fourth proportional to 63,569.13, 87,742.42 and 39,681.42 is: 54,770.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,569.13 : 87,742.42 = 39,681.42 : x
  2. Step 2: Convert to fraction form
    63,569.13/87,742.42 = 39,681.42/x
  3. Step 3: Cross multiply
    63,569.13x = 87,742.42 × 39,681.42
  4. Step 4: Simplify right side
    63,569.13x = 3,481,743,819.84
  5. Step 5: Solve for x
    x = 3,481,743,819.84/63,569.13
  6. Step 6: Final answer
    x = 54,770.98

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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.