Home / 49,809.12-74,713.80-14,749.20

Finding the Fourth Proportional to 49,809.12, 74,713.80 and 14,749.20

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Solution

The fourth proportional to 49,809.12, 74,713.80 and 14,749.20 is: 22,123.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,809.12 : 74,713.80 = 14,749.20 : x
  2. Step 2: Convert to fraction form
    49,809.12/74,713.80 = 14,749.20/x
  3. Step 3: Cross multiply
    49,809.12x = 74,713.80 × 14,749.20
  4. Step 4: Simplify right side
    49,809.12x = 1,101,968,778.96
  5. Step 5: Solve for x
    x = 1,101,968,778.96/49,809.12
  6. Step 6: Final answer
    x = 22,123.84

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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.