Home / 71,035.61-98,029.71-38,770.47

Finding the Fourth Proportional to 71,035.61, 98,029.71 and 38,770.47

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Solution

The fourth proportional to 71,035.61, 98,029.71 and 38,770.47 is: 53,503.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,035.61 : 98,029.71 = 38,770.47 : x
  2. Step 2: Convert to fraction form
    71,035.61/98,029.71 = 38,770.47/x
  3. Step 3: Cross multiply
    71,035.61x = 98,029.71 × 38,770.47
  4. Step 4: Simplify right side
    71,035.61x = 3,800,657,930.66
  5. Step 5: Solve for x
    x = 3,800,657,930.66/71,035.61
  6. Step 6: Final answer
    x = 53,503.56

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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.