Home / 36,972.60-55,464.30-12,008.40

Finding the Fourth Proportional to 36,972.60, 55,464.30 and 12,008.40

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Solution

The fourth proportional to 36,972.60, 55,464.30 and 12,008.40 is: 18,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,972.60 : 55,464.30 = 12,008.40 : x
  2. Step 2: Convert to fraction form
    36,972.60/55,464.30 = 12,008.40/x
  3. Step 3: Cross multiply
    36,972.60x = 55,464.30 × 12,008.40
  4. Step 4: Simplify right side
    36,972.60x = 666,037,500.12
  5. Step 5: Solve for x
    x = 666,037,500.12/36,972.60
  6. Step 6: Final answer
    x = 18,014.35

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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.