Home / 49,638.39-74,463.03-21,539.13

Finding the Fourth Proportional to 49,638.39, 74,463.03 and 21,539.13

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Solution

The fourth proportional to 49,638.39, 74,463.03 and 21,539.13 is: 32,311.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,638.39 : 74,463.03 = 21,539.13 : x
  2. Step 2: Convert to fraction form
    49,638.39/74,463.03 = 21,539.13/x
  3. Step 3: Cross multiply
    49,638.39x = 74,463.03 × 21,539.13
  4. Step 4: Simplify right side
    49,638.39x = 1,603,868,883.36
  5. Step 5: Solve for x
    x = 1,603,868,883.36/49,638.39
  6. Step 6: Final answer
    x = 32,311.06

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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.