Home / 61,279.20-84,568.32-34,420.32

Finding the Fourth Proportional to 61,279.20, 84,568.32 and 34,420.32

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Solution

The fourth proportional to 61,279.20, 84,568.32 and 34,420.32 is: 47,501.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,279.20 : 84,568.32 = 34,420.32 : x
  2. Step 2: Convert to fraction form
    61,279.20/84,568.32 = 34,420.32/x
  3. Step 3: Cross multiply
    61,279.20x = 84,568.32 × 34,420.32
  4. Step 4: Simplify right side
    61,279.20x = 2,910,868,636.26
  5. Step 5: Solve for x
    x = 2,910,868,636.26/61,279.20
  6. Step 6: Final answer
    x = 47,501.74

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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.