Home / 61,134.26-84,368.40-34,279.52

Finding the Fourth Proportional to 61,134.26, 84,368.40 and 34,279.52

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Solution

The fourth proportional to 61,134.26, 84,368.40 and 34,279.52 is: 47,307.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,134.26 : 84,368.40 = 34,279.52 : x
  2. Step 2: Convert to fraction form
    61,134.26/84,368.40 = 34,279.52/x
  3. Step 3: Cross multiply
    61,134.26x = 84,368.40 × 34,279.52
  4. Step 4: Simplify right side
    61,134.26x = 2,892,108,255.17
  5. Step 5: Solve for x
    x = 2,892,108,255.17/61,134.26
  6. Step 6: Final answer
    x = 47,307.49

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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.