Home / 42,273.12-58,283.84-27,139.04

Finding the Fourth Proportional to 42,273.12, 58,283.84 and 27,139.04

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Solution

The fourth proportional to 42,273.12, 58,283.84 and 27,139.04 is: 37,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,273.12 : 58,283.84 = 27,139.04 : x
  2. Step 2: Convert to fraction form
    42,273.12/58,283.84 = 27,139.04/x
  3. Step 3: Cross multiply
    42,273.12x = 58,283.84 × 27,139.04
  4. Step 4: Simplify right side
    42,273.12x = 1,581,767,465.11
  5. Step 5: Solve for x
    x = 1,581,767,465.11/42,273.12
  6. Step 6: Final answer
    x = 37,417.81

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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.