Home / 49,719.80-74,579.70-14,659.40

Finding the Fourth Proportional to 49,719.80, 74,579.70 and 14,659.40

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Solution

The fourth proportional to 49,719.80, 74,579.70 and 14,659.40 is: 21,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,719.80 : 74,579.70 = 14,659.40 : x
  2. Step 2: Convert to fraction form
    49,719.80/74,579.70 = 14,659.40/x
  3. Step 3: Cross multiply
    49,719.80x = 74,579.70 × 14,659.40
  4. Step 4: Simplify right side
    49,719.80x = 1,093,293,654.18
  5. Step 5: Solve for x
    x = 1,093,293,654.18/49,719.80
  6. Step 6: Final answer
    x = 21,989.10

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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.