Home / 37,630.28-56,405.90-12,661.66

Finding the Fourth Proportional to 37,630.28, 56,405.90 and 12,661.66

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Solution

The fourth proportional to 37,630.28, 56,405.90 and 12,661.66 is: 18,979.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,630.28 : 56,405.90 = 12,661.66 : x
  2. Step 2: Convert to fraction form
    37,630.28/56,405.90 = 12,661.66/x
  3. Step 3: Cross multiply
    37,630.28x = 56,405.90 × 12,661.66
  4. Step 4: Simplify right side
    37,630.28x = 714,192,123.47
  5. Step 5: Solve for x
    x = 714,192,123.47/37,630.28
  6. Step 6: Final answer
    x = 18,979.19

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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.