Home / 39,305.48-54,242.72-22,309.38

Finding the Fourth Proportional to 39,305.48, 54,242.72 and 22,309.38

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Solution

The fourth proportional to 39,305.48, 54,242.72 and 22,309.38 is: 30,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,305.48 : 54,242.72 = 22,309.38 : x
  2. Step 2: Convert to fraction form
    39,305.48/54,242.72 = 22,309.38/x
  3. Step 3: Cross multiply
    39,305.48x = 54,242.72 × 22,309.38
  4. Step 4: Simplify right side
    39,305.48x = 1,210,121,341.17
  5. Step 5: Solve for x
    x = 1,210,121,341.17/39,305.48
  6. Step 6: Final answer
    x = 30,787.60

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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.