Home / 39,913.31-55,079.18-22,008.31

Finding the Fourth Proportional to 39,913.31, 55,079.18 and 22,008.31

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Solution

The fourth proportional to 39,913.31, 55,079.18 and 22,008.31 is: 30,370.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.31 : 55,079.18 = 22,008.31 : x
  2. Step 2: Convert to fraction form
    39,913.31/55,079.18 = 22,008.31/x
  3. Step 3: Cross multiply
    39,913.31x = 55,079.18 × 22,008.31
  4. Step 4: Simplify right side
    39,913.31x = 1,212,199,392.59
  5. Step 5: Solve for x
    x = 1,212,199,392.59/39,913.31
  6. Step 6: Final answer
    x = 30,370.81

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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.