Home / 38,282.24-52,831.25-21,288.20

Finding the Fourth Proportional to 38,282.24, 52,831.25 and 21,288.20

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Solution

The fourth proportional to 38,282.24, 52,831.25 and 21,288.20 is: 29,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,282.24 : 52,831.25 = 21,288.20 : x
  2. Step 2: Convert to fraction form
    38,282.24/52,831.25 = 21,288.20/x
  3. Step 3: Cross multiply
    38,282.24x = 52,831.25 × 21,288.20
  4. Step 4: Simplify right side
    38,282.24x = 1,124,681,845.65
  5. Step 5: Solve for x
    x = 1,124,681,845.65/38,282.24
  6. Step 6: Final answer
    x = 29,378.69

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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.