Home / 40,267.20-60,400.80-26,270.40

Finding the Fourth Proportional to 40,267.20, 60,400.80 and 26,270.40

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Solution

The fourth proportional to 40,267.20, 60,400.80 and 26,270.40 is: 39,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,267.20 : 60,400.80 = 26,270.40 : x
  2. Step 2: Convert to fraction form
    40,267.20/60,400.80 = 26,270.40/x
  3. Step 3: Cross multiply
    40,267.20x = 60,400.80 × 26,270.40
  4. Step 4: Simplify right side
    40,267.20x = 1,586,753,176.32
  5. Step 5: Solve for x
    x = 1,586,753,176.32/40,267.20
  6. Step 6: Final answer
    x = 39,405.60

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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.