Home / 37,680.86-52,000.26-20,686.70

Finding the Fourth Proportional to 37,680.86, 52,000.26 and 20,686.70

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Solution

The fourth proportional to 37,680.86, 52,000.26 and 20,686.70 is: 28,548.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,680.86 : 52,000.26 = 20,686.70 : x
  2. Step 2: Convert to fraction form
    37,680.86/52,000.26 = 20,686.70/x
  3. Step 3: Cross multiply
    37,680.86x = 52,000.26 × 20,686.70
  4. Step 4: Simplify right side
    37,680.86x = 1,075,713,778.54
  5. Step 5: Solve for x
    x = 1,075,713,778.54/37,680.86
  6. Step 6: Final answer
    x = 28,548.02

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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.