Home / 30,619.08-45,940.26-15,818.76

Finding the Fourth Proportional to 30,619.08, 45,940.26 and 15,818.76

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Solution

The fourth proportional to 30,619.08, 45,940.26 and 15,818.76 is: 23,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619.08 : 45,940.26 = 15,818.76 : x
  2. Step 2: Convert to fraction form
    30,619.08/45,940.26 = 15,818.76/x
  3. Step 3: Cross multiply
    30,619.08x = 45,940.26 × 15,818.76
  4. Step 4: Simplify right side
    30,619.08x = 726,717,947.28
  5. Step 5: Solve for x
    x = 726,717,947.28/30,619.08
  6. Step 6: Final answer
    x = 23,734.15

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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.