Home / 30,931.62-42,726.33-23,717.76

Finding the Fourth Proportional to 30,931.62, 42,726.33 and 23,717.76

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Solution

The fourth proportional to 30,931.62, 42,726.33 and 23,717.76 is: 32,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,931.62 : 42,726.33 = 23,717.76 : x
  2. Step 2: Convert to fraction form
    30,931.62/42,726.33 = 23,717.76/x
  3. Step 3: Cross multiply
    30,931.62x = 42,726.33 × 23,717.76
  4. Step 4: Simplify right side
    30,931.62x = 1,013,372,840.62
  5. Step 5: Solve for x
    x = 1,013,372,840.62/30,931.62
  6. Step 6: Final answer
    x = 32,761.71

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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.