Home / 37,831.80-52,209.12-20,837.82

Finding the Fourth Proportional to 37,831.80, 52,209.12 and 20,837.82

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Solution

The fourth proportional to 37,831.80, 52,209.12 and 20,837.82 is: 28,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,831.80 : 52,209.12 = 20,837.82 : x
  2. Step 2: Convert to fraction form
    37,831.80/52,209.12 = 20,837.82/x
  3. Step 3: Cross multiply
    37,831.80x = 52,209.12 × 20,837.82
  4. Step 4: Simplify right side
    37,831.80x = 1,087,924,244.92
  5. Step 5: Solve for x
    x = 1,087,924,244.92/37,831.80
  6. Step 6: Final answer
    x = 28,756.87

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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.