Home / 42,761.04-64,083.24-26,126.88

Finding the Fourth Proportional to 42,761.04, 64,083.24 and 26,126.88

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Solution

The fourth proportional to 42,761.04, 64,083.24 and 26,126.88 is: 39,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,761.04 : 64,083.24 = 26,126.88 : x
  2. Step 2: Convert to fraction form
    42,761.04/64,083.24 = 26,126.88/x
  3. Step 3: Cross multiply
    42,761.04x = 64,083.24 × 26,126.88
  4. Step 4: Simplify right side
    42,761.04x = 1,674,295,121.49
  5. Step 5: Solve for x
    x = 1,674,295,121.49/42,761.04
  6. Step 6: Final answer
    x = 39,154.69

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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.