Home / 45,885.29-68,781.40-31,095.68

Finding the Fourth Proportional to 45,885.29, 68,781.40 and 31,095.68

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Solution

The fourth proportional to 45,885.29, 68,781.40 and 31,095.68 is: 46,611.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,885.29 : 68,781.40 = 31,095.68 : x
  2. Step 2: Convert to fraction form
    45,885.29/68,781.40 = 31,095.68/x
  3. Step 3: Cross multiply
    45,885.29x = 68,781.40 × 31,095.68
  4. Step 4: Simplify right side
    45,885.29x = 2,138,803,982.71
  5. Step 5: Solve for x
    x = 2,138,803,982.71/45,885.29
  6. Step 6: Final answer
    x = 46,611.98

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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.