Home / 51,302.57-76,961.95-19,711.37

Finding the Fourth Proportional to 51,302.57, 76,961.95 and 19,711.37

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Solution

The fourth proportional to 51,302.57, 76,961.95 and 19,711.37 is: 29,570.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,302.57 : 76,961.95 = 19,711.37 : x
  2. Step 2: Convert to fraction form
    51,302.57/76,961.95 = 19,711.37/x
  3. Step 3: Cross multiply
    51,302.57x = 76,961.95 × 19,711.37
  4. Step 4: Simplify right side
    51,302.57x = 1,517,025,038.28
  5. Step 5: Solve for x
    x = 1,517,025,038.28/51,302.57
  6. Step 6: Final answer
    x = 29,570.16

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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.