Home / 71,023.36-98,024.16-42,731.68

Finding the Fourth Proportional to 71,023.36, 98,024.16 and 42,731.68

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Solution

The fourth proportional to 71,023.36, 98,024.16 and 42,731.68 is: 58,976.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,023.36 : 98,024.16 = 42,731.68 : x
  2. Step 2: Convert to fraction form
    71,023.36/98,024.16 = 42,731.68/x
  3. Step 3: Cross multiply
    71,023.36x = 98,024.16 × 42,731.68
  4. Step 4: Simplify right side
    71,023.36x = 4,188,737,037.39
  5. Step 5: Solve for x
    x = 4,188,737,037.39/71,023.36
  6. Step 6: Final answer
    x = 58,976.89

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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.