Home / 40,149.99-55,432.98-25,816.25

Finding the Fourth Proportional to 40,149.99, 55,432.98 and 25,816.25

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Solution

The fourth proportional to 40,149.99, 55,432.98 and 25,816.25 is: 35,643.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,149.99 : 55,432.98 = 25,816.25 : x
  2. Step 2: Convert to fraction form
    40,149.99/55,432.98 = 25,816.25/x
  3. Step 3: Cross multiply
    40,149.99x = 55,432.98 × 25,816.25
  4. Step 4: Simplify right side
    40,149.99x = 1,431,071,669.93
  5. Step 5: Solve for x
    x = 1,431,071,669.93/40,149.99
  6. Step 6: Final answer
    x = 35,643.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.