Home / 43,160.56-64,718.76-19,766.95

Finding the Fourth Proportional to 43,160.56, 64,718.76 and 19,766.95

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Solution

The fourth proportional to 43,160.56, 64,718.76 and 19,766.95 is: 29,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,160.56 : 64,718.76 = 19,766.95 : x
  2. Step 2: Convert to fraction form
    43,160.56/64,718.76 = 19,766.95/x
  3. Step 3: Cross multiply
    43,160.56x = 64,718.76 × 19,766.95
  4. Step 4: Simplify right side
    43,160.56x = 1,279,292,492.98
  5. Step 5: Solve for x
    x = 1,279,292,492.98/43,160.56
  6. Step 6: Final answer
    x = 29,640.31

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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.