Home / 39,385.05-54,349.38-22,387.07

Finding the Fourth Proportional to 39,385.05, 54,349.38 and 22,387.07

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Solution

The fourth proportional to 39,385.05, 54,349.38 and 22,387.07 is: 30,893.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,385.05 : 54,349.38 = 22,387.07 : x
  2. Step 2: Convert to fraction form
    39,385.05/54,349.38 = 22,387.07/x
  3. Step 3: Cross multiply
    39,385.05x = 54,349.38 × 22,387.07
  4. Step 4: Simplify right side
    39,385.05x = 1,216,723,102.77
  5. Step 5: Solve for x
    x = 1,216,723,102.77/39,385.05
  6. Step 6: Final answer
    x = 30,893.02

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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.