Home / 42,746.13-58,996.84-28,942.20

Finding the Fourth Proportional to 42,746.13, 58,996.84 and 28,942.20

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Solution

The fourth proportional to 42,746.13, 58,996.84 and 28,942.20 is: 39,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,746.13 : 58,996.84 = 28,942.20 : x
  2. Step 2: Convert to fraction form
    42,746.13/58,996.84 = 28,942.20/x
  3. Step 3: Cross multiply
    42,746.13x = 58,996.84 × 28,942.20
  4. Step 4: Simplify right side
    42,746.13x = 1,707,498,636.94
  5. Step 5: Solve for x
    x = 1,707,498,636.94/42,746.13
  6. Step 6: Final answer
    x = 39,945.10

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Double scale
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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.