Home / 44,007.20-66,010.80-30,010.40

Finding the Fourth Proportional to 44,007.20, 66,010.80 and 30,010.40

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Solution

The fourth proportional to 44,007.20, 66,010.80 and 30,010.40 is: 45,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,007.20 : 66,010.80 = 30,010.40 : x
  2. Step 2: Convert to fraction form
    44,007.20/66,010.80 = 30,010.40/x
  3. Step 3: Cross multiply
    44,007.20x = 66,010.80 × 30,010.40
  4. Step 4: Simplify right side
    44,007.20x = 1,981,010,512.32
  5. Step 5: Solve for x
    x = 1,981,010,512.32/44,007.20
  6. Step 6: Final answer
    x = 45,015.60

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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.