Home / 55,426.80-83,132.10-15,979.80

Finding the Fourth Proportional to 55,426.80, 83,132.10 and 15,979.80

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Solution

The fourth proportional to 55,426.80, 83,132.10 and 15,979.80 is: 23,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,426.80 : 83,132.10 = 15,979.80 : x
  2. Step 2: Convert to fraction form
    55,426.80/83,132.10 = 15,979.80/x
  3. Step 3: Cross multiply
    55,426.80x = 83,132.10 × 15,979.80
  4. Step 4: Simplify right side
    55,426.80x = 1,328,434,331.58
  5. Step 5: Solve for x
    x = 1,328,434,331.58/55,426.80
  6. Step 6: Final answer
    x = 23,967.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.