Home / 45,188.12-67,805.42-21,522.51

Finding the Fourth Proportional to 45,188.12, 67,805.42 and 21,522.51

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Solution

The fourth proportional to 45,188.12, 67,805.42 and 21,522.51 is: 32,294.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,188.12 : 67,805.42 = 21,522.51 : x
  2. Step 2: Convert to fraction form
    45,188.12/67,805.42 = 21,522.51/x
  3. Step 3: Cross multiply
    45,188.12x = 67,805.42 × 21,522.51
  4. Step 4: Simplify right side
    45,188.12x = 1,459,342,722.39
  5. Step 5: Solve for x
    x = 1,459,342,722.39/45,188.12
  6. Step 6: Final answer
    x = 32,294.84

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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.