Home / 36,184.10-54,276.15-12,812.90

Finding the Fourth Proportional to 36,184.10, 54,276.15 and 12,812.90

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Solution

The fourth proportional to 36,184.10, 54,276.15 and 12,812.90 is: 19,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,184.10 : 54,276.15 = 12,812.90 : x
  2. Step 2: Convert to fraction form
    36,184.10/54,276.15 = 12,812.90/x
  3. Step 3: Cross multiply
    36,184.10x = 54,276.15 × 12,812.90
  4. Step 4: Simplify right side
    36,184.10x = 695,434,882.34
  5. Step 5: Solve for x
    x = 695,434,882.34/36,184.10
  6. Step 6: Final answer
    x = 19,219.35

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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.