Home / 39,155.57-54,034.66-22,159.50

Finding the Fourth Proportional to 39,155.57, 54,034.66 and 22,159.50

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Solution

The fourth proportional to 39,155.57, 54,034.66 and 22,159.50 is: 30,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,155.57 : 54,034.66 = 22,159.50 : x
  2. Step 2: Convert to fraction form
    39,155.57/54,034.66 = 22,159.50/x
  3. Step 3: Cross multiply
    39,155.57x = 54,034.66 × 22,159.50
  4. Step 4: Simplify right side
    39,155.57x = 1,197,380,992.87
  5. Step 5: Solve for x
    x = 1,197,380,992.87/39,155.57
  6. Step 6: Final answer
    x = 30,580.10

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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.