Home / 51,043.30-76,564.95-15,985.69

Finding the Fourth Proportional to 51,043.30, 76,564.95 and 15,985.69

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Solution

The fourth proportional to 51,043.30, 76,564.95 and 15,985.69 is: 23,978.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,043.30 : 76,564.95 = 15,985.69 : x
  2. Step 2: Convert to fraction form
    51,043.30/76,564.95 = 15,985.69/x
  3. Step 3: Cross multiply
    51,043.30x = 76,564.95 × 15,985.69
  4. Step 4: Simplify right side
    51,043.30x = 1,223,943,304.21
  5. Step 5: Solve for x
    x = 1,223,943,304.21/51,043.30
  6. Step 6: Final answer
    x = 23,978.53

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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.