Home / 40,562.16-55,924.80-31,013.76

Finding the Fourth Proportional to 40,562.16, 55,924.80 and 31,013.76

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Solution

The fourth proportional to 40,562.16, 55,924.80 and 31,013.76 is: 42,760.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,562.16 : 55,924.80 = 31,013.76 : x
  2. Step 2: Convert to fraction form
    40,562.16/55,924.80 = 31,013.76/x
  3. Step 3: Cross multiply
    40,562.16x = 55,924.80 × 31,013.76
  4. Step 4: Simplify right side
    40,562.16x = 1,734,438,325.25
  5. Step 5: Solve for x
    x = 1,734,438,325.25/40,562.16
  6. Step 6: Final answer
    x = 42,760.01

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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.