Home / 49,832.98-74,748.30-12,393.16

Finding the Fourth Proportional to 49,832.98, 74,748.30 and 12,393.16

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Solution

The fourth proportional to 49,832.98, 74,748.30 and 12,393.16 is: 18,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,832.98 : 74,748.30 = 12,393.16 : x
  2. Step 2: Convert to fraction form
    49,832.98/74,748.30 = 12,393.16/x
  3. Step 3: Cross multiply
    49,832.98x = 74,748.30 × 12,393.16
  4. Step 4: Simplify right side
    49,832.98x = 926,367,641.63
  5. Step 5: Solve for x
    x = 926,367,641.63/49,832.98
  6. Step 6: Final answer
    x = 18,589.45

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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.