Home / 42,928.46-64,380.36-14,841.17

Finding the Fourth Proportional to 42,928.46, 64,380.36 and 14,841.17

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Solution

The fourth proportional to 42,928.46, 64,380.36 and 14,841.17 is: 22,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,928.46 : 64,380.36 = 14,841.17 : x
  2. Step 2: Convert to fraction form
    42,928.46/64,380.36 = 14,841.17/x
  3. Step 3: Cross multiply
    42,928.46x = 64,380.36 × 14,841.17
  4. Step 4: Simplify right side
    42,928.46x = 955,479,867.42
  5. Step 5: Solve for x
    x = 955,479,867.42/42,928.46
  6. Step 6: Final answer
    x = 22,257.49

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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.