Home / 37,521.75-51,781.64-20,754.75

Finding the Fourth Proportional to 37,521.75, 51,781.64 and 20,754.75

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Solution

The fourth proportional to 37,521.75, 51,781.64 and 20,754.75 is: 28,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,521.75 : 51,781.64 = 20,754.75 : x
  2. Step 2: Convert to fraction form
    37,521.75/51,781.64 = 20,754.75/x
  3. Step 3: Cross multiply
    37,521.75x = 51,781.64 × 20,754.75
  4. Step 4: Simplify right side
    37,521.75x = 1,074,714,992.79
  5. Step 5: Solve for x
    x = 1,074,714,992.79/37,521.75
  6. Step 6: Final answer
    x = 28,642.45

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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.