Home / 30,215.20-45,233.20-22,458.40

Finding the Fourth Proportional to 30,215.20, 45,233.20 and 22,458.40

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Solution

The fourth proportional to 30,215.20, 45,233.20 and 22,458.40 is: 33,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,215.20 : 45,233.20 = 22,458.40 : x
  2. Step 2: Convert to fraction form
    30,215.20/45,233.20 = 22,458.40/x
  3. Step 3: Cross multiply
    30,215.20x = 45,233.20 × 22,458.40
  4. Step 4: Simplify right side
    30,215.20x = 1,015,865,298.88
  5. Step 5: Solve for x
    x = 1,015,865,298.88/30,215.20
  6. Step 6: Final answer
    x = 33,621.00

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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.