Home / 40,686.56-60,783.24-25,776.16

Finding the Fourth Proportional to 40,686.56, 60,783.24 and 25,776.16

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Solution

The fourth proportional to 40,686.56, 60,783.24 and 25,776.16 is: 38,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,686.56 : 60,783.24 = 25,776.16 : x
  2. Step 2: Convert to fraction form
    40,686.56/60,783.24 = 25,776.16/x
  3. Step 3: Cross multiply
    40,686.56x = 60,783.24 × 25,776.16
  4. Step 4: Simplify right side
    40,686.56x = 1,566,758,519.56
  5. Step 5: Solve for x
    x = 1,566,758,519.56/40,686.56
  6. Step 6: Final answer
    x = 38,508.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.