Home / 70,834.48-106,253-18,245.04

Finding the Fourth Proportional to 70,834.48, 106,253 and 18,245.04

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Solution

The fourth proportional to 70,834.48, 106,253 and 18,245.04 is: 27,367.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,834.48 : 106,253 = 18,245.04 : x
  2. Step 2: Convert to fraction form
    70,834.48/106,253 = 18,245.04/x
  3. Step 3: Cross multiply
    70,834.48x = 106,253 × 18,245.04
  4. Step 4: Simplify right side
    70,834.48x = 1,938,590,235.12
  5. Step 5: Solve for x
    x = 1,938,590,235.12/70,834.48
  6. Step 6: Final answer
    x = 27,367.89

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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.