Home / 31,077.45-42,882.09-17,462.81

Finding the Fourth Proportional to 31,077.45, 42,882.09 and 17,462.81

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Solution

The fourth proportional to 31,077.45, 42,882.09 and 17,462.81 is: 24,095.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,077.45 : 42,882.09 = 17,462.81 : x
  2. Step 2: Convert to fraction form
    31,077.45/42,882.09 = 17,462.81/x
  3. Step 3: Cross multiply
    31,077.45x = 42,882.09 × 17,462.81
  4. Step 4: Simplify right side
    31,077.45x = 748,841,575.66
  5. Step 5: Solve for x
    x = 748,841,575.66/31,077.45
  6. Step 6: Final answer
    x = 24,095.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.