Home / 36,681.95-50,621.10-20,766.41

Finding the Fourth Proportional to 36,681.95, 50,621.10 and 20,766.41

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Solution

The fourth proportional to 36,681.95, 50,621.10 and 20,766.41 is: 28,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,681.95 : 50,621.10 = 20,766.41 : x
  2. Step 2: Convert to fraction form
    36,681.95/50,621.10 = 20,766.41/x
  3. Step 3: Cross multiply
    36,681.95x = 50,621.10 × 20,766.41
  4. Step 4: Simplify right side
    36,681.95x = 1,051,218,264.15
  5. Step 5: Solve for x
    x = 1,051,218,264.15/36,681.95
  6. Step 6: Final answer
    x = 28,657.65

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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.