Home / 42,388.12-58,503.68-28,048.24

Finding the Fourth Proportional to 42,388.12, 58,503.68 and 28,048.24

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Solution

The fourth proportional to 42,388.12, 58,503.68 and 28,048.24 is: 38,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,388.12 : 58,503.68 = 28,048.24 : x
  2. Step 2: Convert to fraction form
    42,388.12/58,503.68 = 28,048.24/x
  3. Step 3: Cross multiply
    42,388.12x = 58,503.68 × 28,048.24
  4. Step 4: Simplify right side
    42,388.12x = 1,640,924,824.76
  5. Step 5: Solve for x
    x = 1,640,924,824.76/42,388.12
  6. Step 6: Final answer
    x = 38,711.90

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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.