Home / 39,925.16-55,095.52-22,020.15

Finding the Fourth Proportional to 39,925.16, 55,095.52 and 22,020.15

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Solution

The fourth proportional to 39,925.16, 55,095.52 and 22,020.15 is: 30,387.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,925.16 : 55,095.52 = 22,020.15 : x
  2. Step 2: Convert to fraction form
    39,925.16/55,095.52 = 22,020.15/x
  3. Step 3: Cross multiply
    39,925.16x = 55,095.52 × 22,020.15
  4. Step 4: Simplify right side
    39,925.16x = 1,213,211,614.73
  5. Step 5: Solve for x
    x = 1,213,211,614.73/39,925.16
  6. Step 6: Final answer
    x = 30,387.14

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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.