Home / 37,815.80-56,723.70-13,191.80

Finding the Fourth Proportional to 37,815.80, 56,723.70 and 13,191.80

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Solution

The fourth proportional to 37,815.80, 56,723.70 and 13,191.80 is: 19,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,815.80 : 56,723.70 = 13,191.80 : x
  2. Step 2: Convert to fraction form
    37,815.80/56,723.70 = 13,191.80/x
  3. Step 3: Cross multiply
    37,815.80x = 56,723.70 × 13,191.80
  4. Step 4: Simplify right side
    37,815.80x = 748,287,705.66
  5. Step 5: Solve for x
    x = 748,287,705.66/37,815.80
  6. Step 6: Final answer
    x = 19,787.70

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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.