Home / 47,239.91-70,869.86-15,648.19

Finding the Fourth Proportional to 47,239.91, 70,869.86 and 15,648.19

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Solution

The fourth proportional to 47,239.91, 70,869.86 and 15,648.19 is: 23,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,239.91 : 70,869.86 = 15,648.19 : x
  2. Step 2: Convert to fraction form
    47,239.91/70,869.86 = 15,648.19/x
  3. Step 3: Cross multiply
    47,239.91x = 70,869.86 × 15,648.19
  4. Step 4: Simplify right side
    47,239.91x = 1,108,984,896.50
  5. Step 5: Solve for x
    x = 1,108,984,896.50/47,239.91
  6. Step 6: Final answer
    x = 23,475.59

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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.