Home / 34,515.38-51,811.51-17,870.95

Finding the Fourth Proportional to 34,515.38, 51,811.51 and 17,870.95

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Solution

The fourth proportional to 34,515.38, 51,811.51 and 17,870.95 is: 26,826.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,515.38 : 51,811.51 = 17,870.95 : x
  2. Step 2: Convert to fraction form
    34,515.38/51,811.51 = 17,870.95/x
  3. Step 3: Cross multiply
    34,515.38x = 51,811.51 × 17,870.95
  4. Step 4: Simplify right side
    34,515.38x = 925,920,616.53
  5. Step 5: Solve for x
    x = 925,920,616.53/34,515.38
  6. Step 6: Final answer
    x = 26,826.32

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1.5x scale

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.