Home / 31,979.04-44,119.47-18,542.88

Finding the Fourth Proportional to 31,979.04, 44,119.47 and 18,542.88

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Solution

The fourth proportional to 31,979.04, 44,119.47 and 18,542.88 is: 25,582.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,979.04 : 44,119.47 = 18,542.88 : x
  2. Step 2: Convert to fraction form
    31,979.04/44,119.47 = 18,542.88/x
  3. Step 3: Cross multiply
    31,979.04x = 44,119.47 × 18,542.88
  4. Step 4: Simplify right side
    31,979.04x = 818,102,037.87
  5. Step 5: Solve for x
    x = 818,102,037.87/31,979.04
  6. Step 6: Final answer
    x = 25,582.45

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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.