Home / 53,949.72-80,924.46-18,899.40

Finding the Fourth Proportional to 53,949.72, 80,924.46 and 18,899.40

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Solution

The fourth proportional to 53,949.72, 80,924.46 and 18,899.40 is: 28,349.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,949.72 : 80,924.46 = 18,899.40 : x
  2. Step 2: Convert to fraction form
    53,949.72/80,924.46 = 18,899.40/x
  3. Step 3: Cross multiply
    53,949.72x = 80,924.46 × 18,899.40
  4. Step 4: Simplify right side
    53,949.72x = 1,529,423,739.32
  5. Step 5: Solve for x
    x = 1,529,423,739.32/53,949.72
  6. Step 6: Final answer
    x = 28,349.06

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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.