Home / 39,143.76-54,022.02-22,373.52

Finding the Fourth Proportional to 39,143.76, 54,022.02 and 22,373.52

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Solution

The fourth proportional to 39,143.76, 54,022.02 and 22,373.52 is: 30,877.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,143.76 : 54,022.02 = 22,373.52 : x
  2. Step 2: Convert to fraction form
    39,143.76/54,022.02 = 22,373.52/x
  3. Step 3: Cross multiply
    39,143.76x = 54,022.02 × 22,373.52
  4. Step 4: Simplify right side
    39,143.76x = 1,208,662,744.91
  5. Step 5: Solve for x
    x = 1,208,662,744.91/39,143.76
  6. Step 6: Final answer
    x = 30,877.53

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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.