Home / 36,130.60-54,217.50-12,776.68

Finding the Fourth Proportional to 36,130.60, 54,217.50 and 12,776.68

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Solution

The fourth proportional to 36,130.60, 54,217.50 and 12,776.68 is: 19,172.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,130.60 : 54,217.50 = 12,776.68 : x
  2. Step 2: Convert to fraction form
    36,130.60/54,217.50 = 12,776.68/x
  3. Step 3: Cross multiply
    36,130.60x = 54,217.50 × 12,776.68
  4. Step 4: Simplify right side
    36,130.60x = 692,719,647.90
  5. Step 5: Solve for x
    x = 692,719,647.90/36,130.60
  6. Step 6: Final answer
    x = 19,172.66

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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.