Home / 42,339.13-63,508.72-10,751.56

Finding the Fourth Proportional to 42,339.13, 63,508.72 and 10,751.56

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Solution

The fourth proportional to 42,339.13, 63,508.72 and 10,751.56 is: 16,127.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,339.13 : 63,508.72 = 10,751.56 : x
  2. Step 2: Convert to fraction form
    42,339.13/63,508.72 = 10,751.56/x
  3. Step 3: Cross multiply
    42,339.13x = 63,508.72 × 10,751.56
  4. Step 4: Simplify right side
    42,339.13x = 682,817,496.06
  5. Step 5: Solve for x
    x = 682,817,496.06/42,339.13
  6. Step 6: Final answer
    x = 16,127.34

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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.