Home / 37,680.79-56,519.40-13,993.05

Finding the Fourth Proportional to 37,680.79, 56,519.40 and 13,993.05

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Solution

The fourth proportional to 37,680.79, 56,519.40 and 13,993.05 is: 20,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,680.79 : 56,519.40 = 13,993.05 : x
  2. Step 2: Convert to fraction form
    37,680.79/56,519.40 = 13,993.05/x
  3. Step 3: Cross multiply
    37,680.79x = 56,519.40 × 13,993.05
  4. Step 4: Simplify right side
    37,680.79x = 790,878,507.57
  5. Step 5: Solve for x
    x = 790,878,507.57/37,680.79
  6. Step 6: Final answer
    x = 20,988.90

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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.