Home / 40,475.20-60,712.80-36,846.40

Finding the Fourth Proportional to 40,475.20, 60,712.80 and 36,846.40

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Solution

The fourth proportional to 40,475.20, 60,712.80 and 36,846.40 is: 55,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,475.20 : 60,712.80 = 36,846.40 : x
  2. Step 2: Convert to fraction form
    40,475.20/60,712.80 = 36,846.40/x
  3. Step 3: Cross multiply
    40,475.20x = 60,712.80 × 36,846.40
  4. Step 4: Simplify right side
    40,475.20x = 2,237,048,113.92
  5. Step 5: Solve for x
    x = 2,237,048,113.92/40,475.20
  6. Step 6: Final answer
    x = 55,269.60

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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.