Home / 36,017.40-54,026.10-19,428.60

Finding the Fourth Proportional to 36,017.40, 54,026.10 and 19,428.60

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Solution

The fourth proportional to 36,017.40, 54,026.10 and 19,428.60 is: 29,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,017.40 : 54,026.10 = 19,428.60 : x
  2. Step 2: Convert to fraction form
    36,017.40/54,026.10 = 19,428.60/x
  3. Step 3: Cross multiply
    36,017.40x = 54,026.10 × 19,428.60
  4. Step 4: Simplify right side
    36,017.40x = 1,049,651,486.46
  5. Step 5: Solve for x
    x = 1,049,651,486.46/36,017.40
  6. Step 6: Final answer
    x = 29,142.90

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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.