Home / 40,415.72-55,775.42-22,510.73

Finding the Fourth Proportional to 40,415.72, 55,775.42 and 22,510.73

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Solution

The fourth proportional to 40,415.72, 55,775.42 and 22,510.73 is: 31,065.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,415.72 : 55,775.42 = 22,510.73 : x
  2. Step 2: Convert to fraction form
    40,415.72/55,775.42 = 22,510.73/x
  3. Step 3: Cross multiply
    40,415.72x = 55,775.42 × 22,510.73
  4. Step 4: Simplify right side
    40,415.72x = 1,255,545,420.26
  5. Step 5: Solve for x
    x = 1,255,545,420.26/40,415.72
  6. Step 6: Final answer
    x = 31,065.77

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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.