Home / 34,135.02-51,225.74-20,947.14

Finding the Fourth Proportional to 34,135.02, 51,225.74 and 20,947.14

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Solution

The fourth proportional to 34,135.02, 51,225.74 and 20,947.14 is: 31,434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,135.02 : 51,225.74 = 20,947.14 : x
  2. Step 2: Convert to fraction form
    34,135.02/51,225.74 = 20,947.14/x
  3. Step 3: Cross multiply
    34,135.02x = 51,225.74 × 20,947.14
  4. Step 4: Simplify right side
    34,135.02x = 1,073,032,747.38
  5. Step 5: Solve for x
    x = 1,073,032,747.38/34,135.02
  6. Step 6: Final answer
    x = 31,434.95

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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.