Home / 54,815.95-75,646.25-29,665.45

Finding the Fourth Proportional to 54,815.95, 75,646.25 and 29,665.45

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Solution

The fourth proportional to 54,815.95, 75,646.25 and 29,665.45 is: 40,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,815.95 : 75,646.25 = 29,665.45 : x
  2. Step 2: Convert to fraction form
    54,815.95/75,646.25 = 29,665.45/x
  3. Step 3: Cross multiply
    54,815.95x = 75,646.25 × 29,665.45
  4. Step 4: Simplify right side
    54,815.95x = 2,244,079,898.74
  5. Step 5: Solve for x
    x = 2,244,079,898.74/54,815.95
  6. Step 6: Final answer
    x = 40,938.45

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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.