Home / 39,402.52-54,378.72-22,412.08

Finding the Fourth Proportional to 39,402.52, 54,378.72 and 22,412.08

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Solution

The fourth proportional to 39,402.52, 54,378.72 and 22,412.08 is: 30,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,402.52 : 54,378.72 = 22,412.08 : x
  2. Step 2: Convert to fraction form
    39,402.52/54,378.72 = 22,412.08/x
  3. Step 3: Cross multiply
    39,402.52x = 54,378.72 × 22,412.08
  4. Step 4: Simplify right side
    39,402.52x = 1,218,740,222.94
  5. Step 5: Solve for x
    x = 1,218,740,222.94/39,402.52
  6. Step 6: Final answer
    x = 30,930.51

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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.