Home / 49,521.68-74,259.84-21,428.72

Finding the Fourth Proportional to 49,521.68, 74,259.84 and 21,428.72

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Solution

The fourth proportional to 49,521.68, 74,259.84 and 21,428.72 is: 32,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,521.68 : 74,259.84 = 21,428.72 : x
  2. Step 2: Convert to fraction form
    49,521.68/74,259.84 = 21,428.72/x
  3. Step 3: Cross multiply
    49,521.68x = 74,259.84 × 21,428.72
  4. Step 4: Simplify right side
    49,521.68x = 1,591,293,318.60
  5. Step 5: Solve for x
    x = 1,591,293,318.60/49,521.68
  6. Step 6: Final answer
    x = 32,133.27

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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.