Home / 71,398.24-98,530.16-39,567.68

Finding the Fourth Proportional to 71,398.24, 98,530.16 and 39,567.68

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Solution

The fourth proportional to 71,398.24, 98,530.16 and 39,567.68 is: 54,603.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,398.24 : 98,530.16 = 39,567.68 : x
  2. Step 2: Convert to fraction form
    71,398.24/98,530.16 = 39,567.68/x
  3. Step 3: Cross multiply
    71,398.24x = 98,530.16 × 39,567.68
  4. Step 4: Simplify right side
    71,398.24x = 3,898,609,841.23
  5. Step 5: Solve for x
    x = 3,898,609,841.23/71,398.24
  6. Step 6: Final answer
    x = 54,603.72

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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.