Home / 47,801.64-71,687.78-15,774.79

Finding the Fourth Proportional to 47,801.64, 71,687.78 and 15,774.79

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Solution

The fourth proportional to 47,801.64, 71,687.78 and 15,774.79 is: 23,657.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,801.64 : 71,687.78 = 15,774.79 : x
  2. Step 2: Convert to fraction form
    47,801.64/71,687.78 = 15,774.79/x
  3. Step 3: Cross multiply
    47,801.64x = 71,687.78 × 15,774.79
  4. Step 4: Simplify right side
    47,801.64x = 1,130,859,675.07
  5. Step 5: Solve for x
    x = 1,130,859,675.07/47,801.64
  6. Step 6: Final answer
    x = 23,657.34

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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.