Home / 71,053.47-98,051.94-39,221.70

Finding the Fourth Proportional to 71,053.47, 98,051.94 and 39,221.70

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Solution

The fourth proportional to 71,053.47, 98,051.94 and 39,221.70 is: 54,124.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,053.47 : 98,051.94 = 39,221.70 : x
  2. Step 2: Convert to fraction form
    71,053.47/98,051.94 = 39,221.70/x
  3. Step 3: Cross multiply
    71,053.47x = 98,051.94 × 39,221.70
  4. Step 4: Simplify right side
    71,053.47x = 3,845,763,775.10
  5. Step 5: Solve for x
    x = 3,845,763,775.10/71,053.47
  6. Step 6: Final answer
    x = 54,124.93

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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.