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Finding the Fourth Proportional to 61,676.01, 92,446.65 and 31,648.23

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Solution

The fourth proportional to 61,676.01, 92,446.65 and 31,648.23 is: 47,437.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,676.01 : 92,446.65 = 31,648.23 : x
  2. Step 2: Convert to fraction form
    61,676.01/92,446.65 = 31,648.23/x
  3. Step 3: Cross multiply
    61,676.01x = 92,446.65 × 31,648.23
  4. Step 4: Simplify right side
    61,676.01x = 2,925,772,841.93
  5. Step 5: Solve for x
    x = 2,925,772,841.93/61,676.01
  6. Step 6: Final answer
    x = 47,437.78

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1.5x scale

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.