Home / 42,761.90-64,142.86-23,049.74

Finding the Fourth Proportional to 42,761.90, 64,142.86 and 23,049.74

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Solution

The fourth proportional to 42,761.90, 64,142.86 and 23,049.74 is: 34,574.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,761.90 : 64,142.86 = 23,049.74 : x
  2. Step 2: Convert to fraction form
    42,761.90/64,142.86 = 23,049.74/x
  3. Step 3: Cross multiply
    42,761.90x = 64,142.86 × 23,049.74
  4. Step 4: Simplify right side
    42,761.90x = 1,478,476,245.86
  5. Step 5: Solve for x
    x = 1,478,476,245.86/42,761.90
  6. Step 6: Final answer
    x = 34,574.62

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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.