Home / 54,298.97-74,888.15-38,219.51

Finding the Fourth Proportional to 54,298.97, 74,888.15 and 38,219.51

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Solution

The fourth proportional to 54,298.97, 74,888.15 and 38,219.51 is: 52,711.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,298.97 : 74,888.15 = 38,219.51 : x
  2. Step 2: Convert to fraction form
    54,298.97/74,888.15 = 38,219.51/x
  3. Step 3: Cross multiply
    54,298.97x = 74,888.15 × 38,219.51
  4. Step 4: Simplify right side
    54,298.97x = 2,862,187,832.27
  5. Step 5: Solve for x
    x = 2,862,187,832.27/54,298.97
  6. Step 6: Final answer
    x = 52,711.65

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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.