Home / 55,354.24-83,030.88-15,911.20

Finding the Fourth Proportional to 55,354.24, 83,030.88 and 15,911.20

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Solution

The fourth proportional to 55,354.24, 83,030.88 and 15,911.20 is: 23,866.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,354.24 : 83,030.88 = 15,911.20 : x
  2. Step 2: Convert to fraction form
    55,354.24/83,030.88 = 15,911.20/x
  3. Step 3: Cross multiply
    55,354.24x = 83,030.88 × 15,911.20
  4. Step 4: Simplify right side
    55,354.24x = 1,321,120,937.86
  5. Step 5: Solve for x
    x = 1,321,120,937.86/55,354.24
  6. Step 6: Final answer
    x = 23,866.66

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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.