Home / 47,509.48-71,243.16-25,318.72

Finding the Fourth Proportional to 47,509.48, 71,243.16 and 25,318.72

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Solution

The fourth proportional to 47,509.48, 71,243.16 and 25,318.72 is: 37,966.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,509.48 : 71,243.16 = 25,318.72 : x
  2. Step 2: Convert to fraction form
    47,509.48/71,243.16 = 25,318.72/x
  3. Step 3: Cross multiply
    47,509.48x = 71,243.16 × 25,318.72
  4. Step 4: Simplify right side
    47,509.48x = 1,803,785,619.96
  5. Step 5: Solve for x
    x = 1,803,785,619.96/47,509.48
  6. Step 6: Final answer
    x = 37,966.86

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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.