Home / 31,842.58-44,146.95-30,071.11

Finding the Fourth Proportional to 31,842.58, 44,146.95 and 30,071.11

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Solution

The fourth proportional to 31,842.58, 44,146.95 and 30,071.11 is: 41,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,842.58 : 44,146.95 = 30,071.11 : x
  2. Step 2: Convert to fraction form
    31,842.58/44,146.95 = 30,071.11/x
  3. Step 3: Cross multiply
    31,842.58x = 44,146.95 × 30,071.11
  4. Step 4: Simplify right side
    31,842.58x = 1,327,547,789.61
  5. Step 5: Solve for x
    x = 1,327,547,789.61/31,842.58
  6. Step 6: Final answer
    x = 41,690.96

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.