Home / 49,744.06-74,616.12-12,304.78

Finding the Fourth Proportional to 49,744.06, 74,616.12 and 12,304.78

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Solution

The fourth proportional to 49,744.06, 74,616.12 and 12,304.78 is: 18,457.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,744.06 : 74,616.12 = 12,304.78 : x
  2. Step 2: Convert to fraction form
    49,744.06/74,616.12 = 12,304.78/x
  3. Step 3: Cross multiply
    49,744.06x = 74,616.12 × 12,304.78
  4. Step 4: Simplify right side
    49,744.06x = 918,134,754.51
  5. Step 5: Solve for x
    x = 918,134,754.51/49,744.06
  6. Step 6: Final answer
    x = 18,457.17

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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.