Home / 63,354-94,964.40-21,223.68

Finding the Fourth Proportional to 63,354, 94,964.40 and 21,223.68

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Solution

The fourth proportional to 63,354, 94,964.40 and 21,223.68 is: 31,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,354 : 94,964.40 = 21,223.68 : x
  2. Step 2: Convert to fraction form
    63,354/94,964.40 = 21,223.68/x
  3. Step 3: Cross multiply
    63,354x = 94,964.40 × 21,223.68
  4. Step 4: Simplify right side
    63,354x = 2,015,494,036.99
  5. Step 5: Solve for x
    x = 2,015,494,036.99/63,354
  6. Step 6: Final answer
    x = 31,813.21

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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.