Home / 73,030.32-109,551.96-20,440.26

Finding the Fourth Proportional to 73,030.32, 109,551.96 and 20,440.26

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Solution

The fourth proportional to 73,030.32, 109,551.96 and 20,440.26 is: 30,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,030.32 : 109,551.96 = 20,440.26 : x
  2. Step 2: Convert to fraction form
    73,030.32/109,551.96 = 20,440.26/x
  3. Step 3: Cross multiply
    73,030.32x = 109,551.96 × 20,440.26
  4. Step 4: Simplify right side
    73,030.32x = 2,239,270,545.91
  5. Step 5: Solve for x
    x = 2,239,270,545.91/73,030.32
  6. Step 6: Final answer
    x = 30,662.20

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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.