Home / 40,115.61-55,325.91-25,777.77

Finding the Fourth Proportional to 40,115.61, 55,325.91 and 25,777.77

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Solution

The fourth proportional to 40,115.61, 55,325.91 and 25,777.77 is: 35,551.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,115.61 : 55,325.91 = 25,777.77 : x
  2. Step 2: Convert to fraction form
    40,115.61/55,325.91 = 25,777.77/x
  3. Step 3: Cross multiply
    40,115.61x = 55,325.91 × 25,777.77
  4. Step 4: Simplify right side
    40,115.61x = 1,426,178,583.02
  5. Step 5: Solve for x
    x = 1,426,178,583.02/40,115.61
  6. Step 6: Final answer
    x = 35,551.71

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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.