Home / 37,855.71-52,240.32-20,859.57

Finding the Fourth Proportional to 37,855.71, 52,240.32 and 20,859.57

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Solution

The fourth proportional to 37,855.71, 52,240.32 and 20,859.57 is: 28,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,855.71 : 52,240.32 = 20,859.57 : x
  2. Step 2: Convert to fraction form
    37,855.71/52,240.32 = 20,859.57/x
  3. Step 3: Cross multiply
    37,855.71x = 52,240.32 × 20,859.57
  4. Step 4: Simplify right side
    37,855.71x = 1,089,710,611.86
  5. Step 5: Solve for x
    x = 1,089,710,611.86/37,855.71
  6. Step 6: Final answer
    x = 28,785.90

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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.