Home / 31,501.02-47,273.40-18,379.02

Finding the Fourth Proportional to 31,501.02, 47,273.40 and 18,379.02

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Solution

The fourth proportional to 31,501.02, 47,273.40 and 18,379.02 is: 27,581.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,501.02 : 47,273.40 = 18,379.02 : x
  2. Step 2: Convert to fraction form
    31,501.02/47,273.40 = 18,379.02/x
  3. Step 3: Cross multiply
    31,501.02x = 47,273.40 × 18,379.02
  4. Step 4: Simplify right side
    31,501.02x = 868,838,764.07
  5. Step 5: Solve for x
    x = 868,838,764.07/31,501.02
  6. Step 6: Final answer
    x = 27,581.29

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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.