Home / 67,258.22-100,887.01-20,510.94

Finding the Fourth Proportional to 67,258.22, 100,887.01 and 20,510.94

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Solution

The fourth proportional to 67,258.22, 100,887.01 and 20,510.94 is: 30,766.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,258.22 : 100,887.01 = 20,510.94 : x
  2. Step 2: Convert to fraction form
    67,258.22/100,887.01 = 20,510.94/x
  3. Step 3: Cross multiply
    67,258.22x = 100,887.01 × 20,510.94
  4. Step 4: Simplify right side
    67,258.22x = 2,069,287,408.89
  5. Step 5: Solve for x
    x = 2,069,287,408.89/67,258.22
  6. Step 6: Final answer
    x = 30,766.31

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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.