Home / 30,522.60-42,114.96-17,091.72

Finding the Fourth Proportional to 30,522.60, 42,114.96 and 17,091.72

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Solution

The fourth proportional to 30,522.60, 42,114.96 and 17,091.72 is: 23,583.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,522.60 : 42,114.96 = 17,091.72 : x
  2. Step 2: Convert to fraction form
    30,522.60/42,114.96 = 17,091.72/x
  3. Step 3: Cross multiply
    30,522.60x = 42,114.96 × 17,091.72
  4. Step 4: Simplify right side
    30,522.60x = 719,817,104.13
  5. Step 5: Solve for x
    x = 719,817,104.13/30,522.60
  6. Step 6: Final answer
    x = 23,583.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.