Home / 42,865.13-59,140.20-27,769.36

Finding the Fourth Proportional to 42,865.13, 59,140.20 and 27,769.36

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Solution

The fourth proportional to 42,865.13, 59,140.20 and 27,769.36 is: 38,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,865.13 : 59,140.20 = 27,769.36 : x
  2. Step 2: Convert to fraction form
    42,865.13/59,140.20 = 27,769.36/x
  3. Step 3: Cross multiply
    42,865.13x = 59,140.20 × 27,769.36
  4. Step 4: Simplify right side
    42,865.13x = 1,642,285,504.27
  5. Step 5: Solve for x
    x = 1,642,285,504.27/42,865.13
  6. Step 6: Final answer
    x = 38,312.85

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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.