Home / 39,967.71-55,155.48-22,062.70

Finding the Fourth Proportional to 39,967.71, 55,155.48 and 22,062.70

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Solution

The fourth proportional to 39,967.71, 55,155.48 and 22,062.70 is: 30,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967.71 : 55,155.48 = 22,062.70 : x
  2. Step 2: Convert to fraction form
    39,967.71/55,155.48 = 22,062.70/x
  3. Step 3: Cross multiply
    39,967.71x = 55,155.48 × 22,062.70
  4. Step 4: Simplify right side
    39,967.71x = 1,216,878,698.28
  5. Step 5: Solve for x
    x = 1,216,878,698.28/39,967.71
  6. Step 6: Final answer
    x = 30,446.55

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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.