Home / 31,352.66-47,030.40-12,377.29

Finding the Fourth Proportional to 31,352.66, 47,030.40 and 12,377.29

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Solution

The fourth proportional to 31,352.66, 47,030.40 and 12,377.29 is: 18,566.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,352.66 : 47,030.40 = 12,377.29 : x
  2. Step 2: Convert to fraction form
    31,352.66/47,030.40 = 12,377.29/x
  3. Step 3: Cross multiply
    31,352.66x = 47,030.40 × 12,377.29
  4. Step 4: Simplify right side
    31,352.66x = 582,108,899.62
  5. Step 5: Solve for x
    x = 582,108,899.62/31,352.66
  6. Step 6: Final answer
    x = 18,566.49

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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.