Home / 39,967.66-55,155.06-22,062.68

Finding the Fourth Proportional to 39,967.66, 55,155.06 and 22,062.68

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Solution

The fourth proportional to 39,967.66, 55,155.06 and 22,062.68 is: 30,446.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967.66 : 55,155.06 = 22,062.68 : x
  2. Step 2: Convert to fraction form
    39,967.66/55,155.06 = 22,062.68/x
  3. Step 3: Cross multiply
    39,967.66x = 55,155.06 × 22,062.68
  4. Step 4: Simplify right side
    39,967.66x = 1,216,868,439.16
  5. Step 5: Solve for x
    x = 1,216,868,439.16/39,967.66
  6. Step 6: Final answer
    x = 30,446.33

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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.