Home / 63,538.74-87,739.19-39,706.14

Finding the Fourth Proportional to 63,538.74, 87,739.19 and 39,706.14

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Solution

The fourth proportional to 63,538.74, 87,739.19 and 39,706.14 is: 54,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,538.74 : 87,739.19 = 39,706.14 : x
  2. Step 2: Convert to fraction form
    63,538.74/87,739.19 = 39,706.14/x
  3. Step 3: Cross multiply
    63,538.74x = 87,739.19 × 39,706.14
  4. Step 4: Simplify right side
    63,538.74x = 3,483,784,561.63
  5. Step 5: Solve for x
    x = 3,483,784,561.63/63,538.74
  6. Step 6: Final answer
    x = 54,829.30

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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.