Home / 30,104.54-45,158.88-9,043.70

Finding the Fourth Proportional to 30,104.54, 45,158.88 and 9,043.70

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Solution

The fourth proportional to 30,104.54, 45,158.88 and 9,043.70 is: 13,566.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,104.54 : 45,158.88 = 9,043.70 : x
  2. Step 2: Convert to fraction form
    30,104.54/45,158.88 = 9,043.70/x
  3. Step 3: Cross multiply
    30,104.54x = 45,158.88 × 9,043.70
  4. Step 4: Simplify right side
    30,104.54x = 408,403,363.06
  5. Step 5: Solve for x
    x = 408,403,363.06/30,104.54
  6. Step 6: Final answer
    x = 13,566.17

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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.