Home / 56,079.80-84,119.10-16,637.28

Finding the Fourth Proportional to 56,079.80, 84,119.10 and 16,637.28

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Solution

The fourth proportional to 56,079.80, 84,119.10 and 16,637.28 is: 24,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,079.80 : 84,119.10 = 16,637.28 : x
  2. Step 2: Convert to fraction form
    56,079.80/84,119.10 = 16,637.28/x
  3. Step 3: Cross multiply
    56,079.80x = 84,119.10 × 16,637.28
  4. Step 4: Simplify right side
    56,079.80x = 1,399,513,020.05
  5. Step 5: Solve for x
    x = 1,399,513,020.05/56,079.80
  6. Step 6: Final answer
    x = 24,955.74

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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.