Home / 40,739.91-61,110.13-15,782.73

Finding the Fourth Proportional to 40,739.91, 61,110.13 and 15,782.73

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Solution

The fourth proportional to 40,739.91, 61,110.13 and 15,782.73 is: 23,674.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,739.91 : 61,110.13 = 15,782.73 : x
  2. Step 2: Convert to fraction form
    40,739.91/61,110.13 = 15,782.73/x
  3. Step 3: Cross multiply
    40,739.91x = 61,110.13 × 15,782.73
  4. Step 4: Simplify right side
    40,739.91x = 964,484,376.50
  5. Step 5: Solve for x
    x = 964,484,376.50/40,739.91
  6. Step 6: Final answer
    x = 23,674.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.