Home / 42,712.92-58,923.38-26,789.40

Finding the Fourth Proportional to 42,712.92, 58,923.38 and 26,789.40

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Solution

The fourth proportional to 42,712.92, 58,923.38 and 26,789.40 is: 36,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,712.92 : 58,923.38 = 26,789.40 : x
  2. Step 2: Convert to fraction form
    42,712.92/58,923.38 = 26,789.40/x
  3. Step 3: Cross multiply
    42,712.92x = 58,923.38 × 26,789.40
  4. Step 4: Simplify right side
    42,712.92x = 1,578,521,996.17
  5. Step 5: Solve for x
    x = 1,578,521,996.17/42,712.92
  6. Step 6: Final answer
    x = 36,956.55

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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.