Home / 55,590.19-83,403.80-18,151.78

Finding the Fourth Proportional to 55,590.19, 83,403.80 and 18,151.78

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Solution

The fourth proportional to 55,590.19, 83,403.80 and 18,151.78 is: 27,233.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,590.19 : 83,403.80 = 18,151.78 : x
  2. Step 2: Convert to fraction form
    55,590.19/83,403.80 = 18,151.78/x
  3. Step 3: Cross multiply
    55,590.19x = 83,403.80 × 18,151.78
  4. Step 4: Simplify right side
    55,590.19x = 1,513,927,428.76
  5. Step 5: Solve for x
    x = 1,513,927,428.76/55,590.19
  6. Step 6: Final answer
    x = 27,233.72

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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.