Home / 39,154.92-54,036.45-22,159.16

Finding the Fourth Proportional to 39,154.92, 54,036.45 and 22,159.16

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Solution

The fourth proportional to 39,154.92, 54,036.45 and 22,159.16 is: 30,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,154.92 : 54,036.45 = 22,159.16 : x
  2. Step 2: Convert to fraction form
    39,154.92/54,036.45 = 22,159.16/x
  3. Step 3: Cross multiply
    39,154.92x = 54,036.45 × 22,159.16
  4. Step 4: Simplify right side
    39,154.92x = 1,197,402,341.38
  5. Step 5: Solve for x
    x = 1,197,402,341.38/39,154.92
  6. Step 6: Final answer
    x = 30,581.15

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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.