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Finding the Fourth Proportional to 60,601.44, 83,640 and 35,446.08

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Solution

The fourth proportional to 60,601.44, 83,640 and 35,446.08 is: 48,921.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,601.44 : 83,640 = 35,446.08 : x
  2. Step 2: Convert to fraction form
    60,601.44/83,640 = 35,446.08/x
  3. Step 3: Cross multiply
    60,601.44x = 83,640 × 35,446.08
  4. Step 4: Simplify right side
    60,601.44x = 2,964,710,131.20
  5. Step 5: Solve for x
    x = 2,964,710,131.20/60,601.44
  6. Step 6: Final answer
    x = 48,921.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.