Home / 30,598.07-45,865.52-12,839.04

Finding the Fourth Proportional to 30,598.07, 45,865.52 and 12,839.04

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Solution

The fourth proportional to 30,598.07, 45,865.52 and 12,839.04 is: 19,245.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,598.07 : 45,865.52 = 12,839.04 : x
  2. Step 2: Convert to fraction form
    30,598.07/45,865.52 = 12,839.04/x
  3. Step 3: Cross multiply
    30,598.07x = 45,865.52 × 12,839.04
  4. Step 4: Simplify right side
    30,598.07x = 588,869,245.90
  5. Step 5: Solve for x
    x = 588,869,245.90/30,598.07
  6. Step 6: Final answer
    x = 19,245.31

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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.