Home / 36,878.76-55,318.34-9,176.76

Finding the Fourth Proportional to 36,878.76, 55,318.34 and 9,176.76

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Solution

The fourth proportional to 36,878.76, 55,318.34 and 9,176.76 is: 13,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,878.76 : 55,318.34 = 9,176.76 : x
  2. Step 2: Convert to fraction form
    36,878.76/55,318.34 = 9,176.76/x
  3. Step 3: Cross multiply
    36,878.76x = 55,318.34 × 9,176.76
  4. Step 4: Simplify right side
    36,878.76x = 507,643,129.78
  5. Step 5: Solve for x
    x = 507,643,129.78/36,878.76
  6. Step 6: Final answer
    x = 13,765.19

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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.