Home / 40,559.10-60,802.20-25,760.40

Finding the Fourth Proportional to 40,559.10, 60,802.20 and 25,760.40

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Solution

The fourth proportional to 40,559.10, 60,802.20 and 25,760.40 is: 38,617.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,559.10 : 60,802.20 = 25,760.40 : x
  2. Step 2: Convert to fraction form
    40,559.10/60,802.20 = 25,760.40/x
  3. Step 3: Cross multiply
    40,559.10x = 60,802.20 × 25,760.40
  4. Step 4: Simplify right side
    40,559.10x = 1,566,288,992.88
  5. Step 5: Solve for x
    x = 1,566,288,992.88/40,559.10
  6. Step 6: Final answer
    x = 38,617.45

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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.