Home / 42,219.52-63,279.76-23,490.68

Finding the Fourth Proportional to 42,219.52, 63,279.76 and 23,490.68

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Solution

The fourth proportional to 42,219.52, 63,279.76 and 23,490.68 is: 35,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,219.52 : 63,279.76 = 23,490.68 : x
  2. Step 2: Convert to fraction form
    42,219.52/63,279.76 = 23,490.68/x
  3. Step 3: Cross multiply
    42,219.52x = 63,279.76 × 23,490.68
  4. Step 4: Simplify right side
    42,219.52x = 1,486,484,592.64
  5. Step 5: Solve for x
    x = 1,486,484,592.64/42,219.52
  6. Step 6: Final answer
    x = 35,208.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.