Home / 36,349.30-54,527.55-12,653.20

Finding the Fourth Proportional to 36,349.30, 54,527.55 and 12,653.20

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Solution

The fourth proportional to 36,349.30, 54,527.55 and 12,653.20 is: 18,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,349.30 : 54,527.55 = 12,653.20 : x
  2. Step 2: Convert to fraction form
    36,349.30/54,527.55 = 12,653.20/x
  3. Step 3: Cross multiply
    36,349.30x = 54,527.55 × 12,653.20
  4. Step 4: Simplify right side
    36,349.30x = 689,947,995.66
  5. Step 5: Solve for x
    x = 689,947,995.66/36,349.30
  6. Step 6: Final answer
    x = 18,981.05

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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.