Home / 55,803.10-83,695.05-20,724.70

Finding the Fourth Proportional to 55,803.10, 83,695.05 and 20,724.70

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Solution

The fourth proportional to 55,803.10, 83,695.05 and 20,724.70 is: 31,083.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,803.10 : 83,695.05 = 20,724.70 : x
  2. Step 2: Convert to fraction form
    55,803.10/83,695.05 = 20,724.70/x
  3. Step 3: Cross multiply
    55,803.10x = 83,695.05 × 20,724.70
  4. Step 4: Simplify right side
    55,803.10x = 1,734,554,802.74
  5. Step 5: Solve for x
    x = 1,734,554,802.74/55,803.10
  6. Step 6: Final answer
    x = 31,083.48

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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.