Home / 61,349.22-84,636.77-38,680.98

Finding the Fourth Proportional to 61,349.22, 84,636.77 and 38,680.98

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Solution

The fourth proportional to 61,349.22, 84,636.77 and 38,680.98 is: 53,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,349.22 : 84,636.77 = 38,680.98 : x
  2. Step 2: Convert to fraction form
    61,349.22/84,636.77 = 38,680.98/x
  3. Step 3: Cross multiply
    61,349.22x = 84,636.77 × 38,680.98
  4. Step 4: Simplify right side
    61,349.22x = 3,273,833,207.63
  5. Step 5: Solve for x
    x = 3,273,833,207.63/61,349.22
  6. Step 6: Final answer
    x = 53,363.89

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1.5x scale

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.