Home / 39,542.38-54,566.40-22,547.05

Finding the Fourth Proportional to 39,542.38, 54,566.40 and 22,547.05

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Solution

The fourth proportional to 39,542.38, 54,566.40 and 22,547.05 is: 31,113.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,542.38 : 54,566.40 = 22,547.05 : x
  2. Step 2: Convert to fraction form
    39,542.38/54,566.40 = 22,547.05/x
  3. Step 3: Cross multiply
    39,542.38x = 54,566.40 × 22,547.05
  4. Step 4: Simplify right side
    39,542.38x = 1,230,311,349.12
  5. Step 5: Solve for x
    x = 1,230,311,349.12/39,542.38
  6. Step 6: Final answer
    x = 31,113.74

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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.