Home / 57,241.40-85,862.10-15,121.40

Finding the Fourth Proportional to 57,241.40, 85,862.10 and 15,121.40

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Solution

The fourth proportional to 57,241.40, 85,862.10 and 15,121.40 is: 22,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,241.40 : 85,862.10 = 15,121.40 : x
  2. Step 2: Convert to fraction form
    57,241.40/85,862.10 = 15,121.40/x
  3. Step 3: Cross multiply
    57,241.40x = 85,862.10 × 15,121.40
  4. Step 4: Simplify right side
    57,241.40x = 1,298,355,158.94
  5. Step 5: Solve for x
    x = 1,298,355,158.94/57,241.40
  6. Step 6: Final answer
    x = 22,682.10

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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.