Home / 71,522.08-107,302.48-21,603.80

Finding the Fourth Proportional to 71,522.08, 107,302.48 and 21,603.80

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Solution

The fourth proportional to 71,522.08, 107,302.48 and 21,603.80 is: 32,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,522.08 : 107,302.48 = 21,603.80 : x
  2. Step 2: Convert to fraction form
    71,522.08/107,302.48 = 21,603.80/x
  3. Step 3: Cross multiply
    71,522.08x = 107,302.48 × 21,603.80
  4. Step 4: Simplify right side
    71,522.08x = 2,318,141,317.42
  5. Step 5: Solve for x
    x = 2,318,141,317.42/71,522.08
  6. Step 6: Final answer
    x = 32,411.55

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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.