Home / 71,263.44-98,342.16-39,432.36

Finding the Fourth Proportional to 71,263.44, 98,342.16 and 39,432.36

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Solution

The fourth proportional to 71,263.44, 98,342.16 and 39,432.36 is: 54,415.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,263.44 : 98,342.16 = 39,432.36 : x
  2. Step 2: Convert to fraction form
    71,263.44/98,342.16 = 39,432.36/x
  3. Step 3: Cross multiply
    71,263.44x = 98,342.16 × 39,432.36
  4. Step 4: Simplify right side
    71,263.44x = 3,877,863,456.30
  5. Step 5: Solve for x
    x = 3,877,863,456.30/71,263.44
  6. Step 6: Final answer
    x = 54,415.89

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1.5x scale

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.