Home / 34,115.95-51,151.92-14,389.21

Finding the Fourth Proportional to 34,115.95, 51,151.92 and 14,389.21

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Solution

The fourth proportional to 34,115.95, 51,151.92 and 14,389.21 is: 21,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,115.95 : 51,151.92 = 14,389.21 : x
  2. Step 2: Convert to fraction form
    34,115.95/51,151.92 = 14,389.21/x
  3. Step 3: Cross multiply
    34,115.95x = 51,151.92 × 14,389.21
  4. Step 4: Simplify right side
    34,115.95x = 736,035,718.78
  5. Step 5: Solve for x
    x = 736,035,718.78/34,115.95
  6. Step 6: Final answer
    x = 21,574.53

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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.