Home / 37,770.86-56,655.15-9,689.78

Finding the Fourth Proportional to 37,770.86, 56,655.15 and 9,689.78

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Solution

The fourth proportional to 37,770.86, 56,655.15 and 9,689.78 is: 14,534.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,770.86 : 56,655.15 = 9,689.78 : x
  2. Step 2: Convert to fraction form
    37,770.86/56,655.15 = 9,689.78/x
  3. Step 3: Cross multiply
    37,770.86x = 56,655.15 × 9,689.78
  4. Step 4: Simplify right side
    37,770.86x = 548,975,725.98
  5. Step 5: Solve for x
    x = 548,975,725.98/37,770.86
  6. Step 6: Final answer
    x = 14,534.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.