Home / 30,260.07-45,432.23-15,479.19

Finding the Fourth Proportional to 30,260.07, 45,432.23 and 15,479.19

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Solution

The fourth proportional to 30,260.07, 45,432.23 and 15,479.19 is: 23,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,260.07 : 45,432.23 = 15,479.19 : x
  2. Step 2: Convert to fraction form
    30,260.07/45,432.23 = 15,479.19/x
  3. Step 3: Cross multiply
    30,260.07x = 45,432.23 × 15,479.19
  4. Step 4: Simplify right side
    30,260.07x = 703,254,042.90
  5. Step 5: Solve for x
    x = 703,254,042.90/30,260.07
  6. Step 6: Final answer
    x = 23,240.33

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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.