Home / 39,945.98-55,125.02-22,041.74

Finding the Fourth Proportional to 39,945.98, 55,125.02 and 22,041.74

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Solution

The fourth proportional to 39,945.98, 55,125.02 and 22,041.74 is: 30,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.98 : 55,125.02 = 22,041.74 : x
  2. Step 2: Convert to fraction form
    39,945.98/55,125.02 = 22,041.74/x
  3. Step 3: Cross multiply
    39,945.98x = 55,125.02 × 22,041.74
  4. Step 4: Simplify right side
    39,945.98x = 1,215,051,358.33
  5. Step 5: Solve for x
    x = 1,215,051,358.33/39,945.98
  6. Step 6: Final answer
    x = 30,417.36

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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.