Home / 63,456.28-87,567.75-34,775.59

Finding the Fourth Proportional to 63,456.28, 87,567.75 and 34,775.59

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Solution

The fourth proportional to 63,456.28, 87,567.75 and 34,775.59 is: 47,989.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,456.28 : 87,567.75 = 34,775.59 : x
  2. Step 2: Convert to fraction form
    63,456.28/87,567.75 = 34,775.59/x
  3. Step 3: Cross multiply
    63,456.28x = 87,567.75 × 34,775.59
  4. Step 4: Simplify right side
    63,456.28x = 3,045,219,733.38
  5. Step 5: Solve for x
    x = 3,045,219,733.38/63,456.28
  6. Step 6: Final answer
    x = 47,989.26

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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.