Home / 45,100.42-67,570.38-38,459.23

Finding the Fourth Proportional to 45,100.42, 67,570.38 and 38,459.23

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Solution

The fourth proportional to 45,100.42, 67,570.38 and 38,459.23 is: 57,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,100.42 : 67,570.38 = 38,459.23 : x
  2. Step 2: Convert to fraction form
    45,100.42/67,570.38 = 38,459.23/x
  3. Step 3: Cross multiply
    45,100.42x = 67,570.38 × 38,459.23
  4. Step 4: Simplify right side
    45,100.42x = 2,598,704,785.61
  5. Step 5: Solve for x
    x = 2,598,704,785.61/45,100.42
  6. Step 6: Final answer
    x = 57,620.41

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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.