Home / 30,644.65-42,287.02-17,214.85

Finding the Fourth Proportional to 30,644.65, 42,287.02 and 17,214.85

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Solution

The fourth proportional to 30,644.65, 42,287.02 and 17,214.85 is: 23,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,644.65 : 42,287.02 = 17,214.85 : x
  2. Step 2: Convert to fraction form
    30,644.65/42,287.02 = 17,214.85/x
  3. Step 3: Cross multiply
    30,644.65x = 42,287.02 × 17,214.85
  4. Step 4: Simplify right side
    30,644.65x = 727,964,706.25
  5. Step 5: Solve for x
    x = 727,964,706.25/30,644.65
  6. Step 6: Final answer
    x = 23,755.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.