Home / 42,898.39-64,356.20-14,819.47

Finding the Fourth Proportional to 42,898.39, 64,356.20 and 14,819.47

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Solution

The fourth proportional to 42,898.39, 64,356.20 and 14,819.47 is: 22,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,898.39 : 64,356.20 = 14,819.47 : x
  2. Step 2: Convert to fraction form
    42,898.39/64,356.20 = 14,819.47/x
  3. Step 3: Cross multiply
    42,898.39x = 64,356.20 × 14,819.47
  4. Step 4: Simplify right side
    42,898.39x = 953,724,775.21
  5. Step 5: Solve for x
    x = 953,724,775.21/42,898.39
  6. Step 6: Final answer
    x = 22,232.18

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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.