Home / 45,072.08-67,606.20-26,720.72

Finding the Fourth Proportional to 45,072.08, 67,606.20 and 26,720.72

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Solution

The fourth proportional to 45,072.08, 67,606.20 and 26,720.72 is: 40,079.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,072.08 : 67,606.20 = 26,720.72 : x
  2. Step 2: Convert to fraction form
    45,072.08/67,606.20 = 26,720.72/x
  3. Step 3: Cross multiply
    45,072.08x = 67,606.20 × 26,720.72
  4. Step 4: Simplify right side
    45,072.08x = 1,806,486,340.46
  5. Step 5: Solve for x
    x = 1,806,486,340.46/45,072.08
  6. Step 6: Final answer
    x = 40,079.94

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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.