Home / 47,275.34-70,921.42-15,687.29

Finding the Fourth Proportional to 47,275.34, 70,921.42 and 15,687.29

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Solution

The fourth proportional to 47,275.34, 70,921.42 and 15,687.29 is: 23,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,275.34 : 70,921.42 = 15,687.29 : x
  2. Step 2: Convert to fraction form
    47,275.34/70,921.42 = 15,687.29/x
  3. Step 3: Cross multiply
    47,275.34x = 70,921.42 × 15,687.29
  4. Step 4: Simplify right side
    47,275.34x = 1,112,565,020.84
  5. Step 5: Solve for x
    x = 1,112,565,020.84/47,275.34
  6. Step 6: Final answer
    x = 23,533.73

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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.