Home / 72,574.22-108,889.32-28,232.21

Finding the Fourth Proportional to 72,574.22, 108,889.32 and 28,232.21

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Solution

The fourth proportional to 72,574.22, 108,889.32 and 28,232.21 is: 42,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,574.22 : 108,889.32 = 28,232.21 : x
  2. Step 2: Convert to fraction form
    72,574.22/108,889.32 = 28,232.21/x
  3. Step 3: Cross multiply
    72,574.22x = 108,889.32 × 28,232.21
  4. Step 4: Simplify right side
    72,574.22x = 3,074,186,149.00
  5. Step 5: Solve for x
    x = 3,074,186,149.00/72,574.22
  6. Step 6: Final answer
    x = 42,359.20

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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.