Home / 39,913.29-55,079.14-22,008.29

Finding the Fourth Proportional to 39,913.29, 55,079.14 and 22,008.29

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Solution

The fourth proportional to 39,913.29, 55,079.14 and 22,008.29 is: 30,370.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.29 : 55,079.14 = 22,008.29 : x
  2. Step 2: Convert to fraction form
    39,913.29/55,079.14 = 22,008.29/x
  3. Step 3: Cross multiply
    39,913.29x = 55,079.14 × 22,008.29
  4. Step 4: Simplify right side
    39,913.29x = 1,212,197,686.07
  5. Step 5: Solve for x
    x = 1,212,197,686.07/39,913.29
  6. Step 6: Final answer
    x = 30,370.78

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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.