Home / 47,204.61-70,807.09-19,125.20

Finding the Fourth Proportional to 47,204.61, 70,807.09 and 19,125.20

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Solution

The fourth proportional to 47,204.61, 70,807.09 and 19,125.20 is: 28,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,204.61 : 70,807.09 = 19,125.20 : x
  2. Step 2: Convert to fraction form
    47,204.61/70,807.09 = 19,125.20/x
  3. Step 3: Cross multiply
    47,204.61x = 70,807.09 × 19,125.20
  4. Step 4: Simplify right side
    47,204.61x = 1,354,199,470.65
  5. Step 5: Solve for x
    x = 1,354,199,470.65/47,204.61
  6. Step 6: Final answer
    x = 28,687.87

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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.