Home / 52,207.75-78,294.07-18,920.84

Finding the Fourth Proportional to 52,207.75, 78,294.07 and 18,920.84

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Solution

The fourth proportional to 52,207.75, 78,294.07 and 18,920.84 is: 28,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,207.75 : 78,294.07 = 18,920.84 : x
  2. Step 2: Convert to fraction form
    52,207.75/78,294.07 = 18,920.84/x
  3. Step 3: Cross multiply
    52,207.75x = 78,294.07 × 18,920.84
  4. Step 4: Simplify right side
    52,207.75x = 1,481,389,476.81
  5. Step 5: Solve for x
    x = 1,481,389,476.81/52,207.75
  6. Step 6: Final answer
    x = 28,374.90

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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.