Home / 42,156.38-58,150.35-27,811.10

Finding the Fourth Proportional to 42,156.38, 58,150.35 and 27,811.10

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Solution

The fourth proportional to 42,156.38, 58,150.35 and 27,811.10 is: 38,362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,156.38 : 58,150.35 = 27,811.10 : x
  2. Step 2: Convert to fraction form
    42,156.38/58,150.35 = 27,811.10/x
  3. Step 3: Cross multiply
    42,156.38x = 58,150.35 × 27,811.10
  4. Step 4: Simplify right side
    42,156.38x = 1,617,224,908.13
  5. Step 5: Solve for x
    x = 1,617,224,908.13/42,156.38
  6. Step 6: Final answer
    x = 38,362.52

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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.