Home / 34,990.40-52,397.28-20,941.76

Finding the Fourth Proportional to 34,990.40, 52,397.28 and 20,941.76

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Solution

The fourth proportional to 34,990.40, 52,397.28 and 20,941.76 is: 31,359.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,990.40 : 52,397.28 = 20,941.76 : x
  2. Step 2: Convert to fraction form
    34,990.40/52,397.28 = 20,941.76/x
  3. Step 3: Cross multiply
    34,990.40x = 52,397.28 × 20,941.76
  4. Step 4: Simplify right side
    34,990.40x = 1,097,291,262.41
  5. Step 5: Solve for x
    x = 1,097,291,262.41/34,990.40
  6. Step 6: Final answer
    x = 31,359.78

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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.