Home / 51,806.13-77,709.20-34,271.86

Finding the Fourth Proportional to 51,806.13, 77,709.20 and 34,271.86

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Solution

The fourth proportional to 51,806.13, 77,709.20 and 34,271.86 is: 51,407.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,806.13 : 77,709.20 = 34,271.86 : x
  2. Step 2: Convert to fraction form
    51,806.13/77,709.20 = 34,271.86/x
  3. Step 3: Cross multiply
    51,806.13x = 77,709.20 × 34,271.86
  4. Step 4: Simplify right side
    51,806.13x = 2,663,238,457.48
  5. Step 5: Solve for x
    x = 2,663,238,457.48/51,806.13
  6. Step 6: Final answer
    x = 51,407.79

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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.