Home / 42,839.28-64,246.59-14,758.20

Finding the Fourth Proportional to 42,839.28, 64,246.59 and 14,758.20

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Solution

The fourth proportional to 42,839.28, 64,246.59 and 14,758.20 is: 22,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,839.28 : 64,246.59 = 14,758.20 : x
  2. Step 2: Convert to fraction form
    42,839.28/64,246.59 = 14,758.20/x
  3. Step 3: Cross multiply
    42,839.28x = 64,246.59 × 14,758.20
  4. Step 4: Simplify right side
    42,839.28x = 948,164,024.54
  5. Step 5: Solve for x
    x = 948,164,024.54/42,839.28
  6. Step 6: Final answer
    x = 22,133.05

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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.