Home / 51,318-70,810.20-34,294.86

Finding the Fourth Proportional to 51,318, 70,810.20 and 34,294.86

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Solution

The fourth proportional to 51,318, 70,810.20 and 34,294.86 is: 47,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,318 : 70,810.20 = 34,294.86 : x
  2. Step 2: Convert to fraction form
    51,318/70,810.20 = 34,294.86/x
  3. Step 3: Cross multiply
    51,318x = 70,810.20 × 34,294.86
  4. Step 4: Simplify right side
    51,318x = 2,428,425,895.57
  5. Step 5: Solve for x
    x = 2,428,425,895.57/51,318
  6. Step 6: Final answer
    x = 47,321.13

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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.