Home / 30,784.62-42,482.97-17,354.55

Finding the Fourth Proportional to 30,784.62, 42,482.97 and 17,354.55

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Solution

The fourth proportional to 30,784.62, 42,482.97 and 17,354.55 is: 23,949.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,784.62 : 42,482.97 = 17,354.55 : x
  2. Step 2: Convert to fraction form
    30,784.62/42,482.97 = 17,354.55/x
  3. Step 3: Cross multiply
    30,784.62x = 42,482.97 × 17,354.55
  4. Step 4: Simplify right side
    30,784.62x = 737,272,827.01
  5. Step 5: Solve for x
    x = 737,272,827.01/30,784.62
  6. Step 6: Final answer
    x = 23,949.39

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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.