Home / 30,191.13-45,287.28-10,470.33

Finding the Fourth Proportional to 30,191.13, 45,287.28 and 10,470.33

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Solution

The fourth proportional to 30,191.13, 45,287.28 and 10,470.33 is: 15,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191.13 : 45,287.28 = 10,470.33 : x
  2. Step 2: Convert to fraction form
    30,191.13/45,287.28 = 10,470.33/x
  3. Step 3: Cross multiply
    30,191.13x = 45,287.28 × 10,470.33
  4. Step 4: Simplify right side
    30,191.13x = 474,172,766.40
  5. Step 5: Solve for x
    x = 474,172,766.40/30,191.13
  6. Step 6: Final answer
    x = 15,705.70

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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.