Home / 39,764.89-54,876.96-22,772.17

Finding the Fourth Proportional to 39,764.89, 54,876.96 and 22,772.17

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Solution

The fourth proportional to 39,764.89, 54,876.96 and 22,772.17 is: 31,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,764.89 : 54,876.96 = 22,772.17 : x
  2. Step 2: Convert to fraction form
    39,764.89/54,876.96 = 22,772.17/x
  3. Step 3: Cross multiply
    39,764.89x = 54,876.96 × 22,772.17
  4. Step 4: Simplify right side
    39,764.89x = 1,249,667,462.20
  5. Step 5: Solve for x
    x = 1,249,667,462.20/39,764.89
  6. Step 6: Final answer
    x = 31,426.40

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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.