Home / 55,883.03-83,641.28-30,543.72

Finding the Fourth Proportional to 55,883.03, 83,641.28 and 30,543.72

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Solution

The fourth proportional to 55,883.03, 83,641.28 and 30,543.72 is: 45,715.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,883.03 : 83,641.28 = 30,543.72 : x
  2. Step 2: Convert to fraction form
    55,883.03/83,641.28 = 30,543.72/x
  3. Step 3: Cross multiply
    55,883.03x = 83,641.28 × 30,543.72
  4. Step 4: Simplify right side
    55,883.03x = 2,554,715,913.12
  5. Step 5: Solve for x
    x = 2,554,715,913.12/55,883.03
  6. Step 6: Final answer
    x = 45,715.42

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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.