Home / 39,155.50-54,034.59-22,159.45

Finding the Fourth Proportional to 39,155.50, 54,034.59 and 22,159.45

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Solution

The fourth proportional to 39,155.50, 54,034.59 and 22,159.45 is: 30,580.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,155.50 : 54,034.59 = 22,159.45 : x
  2. Step 2: Convert to fraction form
    39,155.50/54,034.59 = 22,159.45/x
  3. Step 3: Cross multiply
    39,155.50x = 54,034.59 × 22,159.45
  4. Step 4: Simplify right side
    39,155.50x = 1,197,376,795.38
  5. Step 5: Solve for x
    x = 1,197,376,795.38/39,155.50
  6. Step 6: Final answer
    x = 30,580.04

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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.