Home / 30,226.48-45,308.52-21,885.88

Finding the Fourth Proportional to 30,226.48, 45,308.52 and 21,885.88

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Solution

The fourth proportional to 30,226.48, 45,308.52 and 21,885.88 is: 32,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226.48 : 45,308.52 = 21,885.88 : x
  2. Step 2: Convert to fraction form
    30,226.48/45,308.52 = 21,885.88/x
  3. Step 3: Cross multiply
    30,226.48x = 45,308.52 × 21,885.88
  4. Step 4: Simplify right side
    30,226.48x = 991,616,831.70
  5. Step 5: Solve for x
    x = 991,616,831.70/30,226.48
  6. Step 6: Final answer
    x = 32,806.23

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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.