Home / 50,868.04-76,288.20-21,281.08

Finding the Fourth Proportional to 50,868.04, 76,288.20 and 21,281.08

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Solution

The fourth proportional to 50,868.04, 76,288.20 and 21,281.08 is: 31,915.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,868.04 : 76,288.20 = 21,281.08 : x
  2. Step 2: Convert to fraction form
    50,868.04/76,288.20 = 21,281.08/x
  3. Step 3: Cross multiply
    50,868.04x = 76,288.20 × 21,281.08
  4. Step 4: Simplify right side
    50,868.04x = 1,623,495,287.26
  5. Step 5: Solve for x
    x = 1,623,495,287.26/50,868.04
  6. Step 6: Final answer
    x = 31,915.82

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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.