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Finding the Fourth Proportional to 40,510.20, 60,635.70 and 28,846.20

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Solution

The fourth proportional to 40,510.20, 60,635.70 and 28,846.20 is: 43,177.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,510.20 : 60,635.70 = 28,846.20 : x
  2. Step 2: Convert to fraction form
    40,510.20/60,635.70 = 28,846.20/x
  3. Step 3: Cross multiply
    40,510.20x = 60,635.70 × 28,846.20
  4. Step 4: Simplify right side
    40,510.20x = 1,749,109,529.34
  5. Step 5: Solve for x
    x = 1,749,109,529.34/40,510.20
  6. Step 6: Final answer
    x = 43,177.02

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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.