Home / 34,730.88-47,920.32-20,581.26

Finding the Fourth Proportional to 34,730.88, 47,920.32 and 20,581.26

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Solution

The fourth proportional to 34,730.88, 47,920.32 and 20,581.26 is: 28,397.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,730.88 : 47,920.32 = 20,581.26 : x
  2. Step 2: Convert to fraction form
    34,730.88/47,920.32 = 20,581.26/x
  3. Step 3: Cross multiply
    34,730.88x = 47,920.32 × 20,581.26
  4. Step 4: Simplify right side
    34,730.88x = 986,260,565.20
  5. Step 5: Solve for x
    x = 986,260,565.20/34,730.88
  6. Step 6: Final answer
    x = 28,397.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.