Home / 30,205.40-45,356.70-22,818.20

Finding the Fourth Proportional to 30,205.40, 45,356.70 and 22,818.20

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Solution

The fourth proportional to 30,205.40, 45,356.70 and 22,818.20 is: 34,264.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,205.40 : 45,356.70 = 22,818.20 : x
  2. Step 2: Convert to fraction form
    30,205.40/45,356.70 = 22,818.20/x
  3. Step 3: Cross multiply
    30,205.40x = 45,356.70 × 22,818.20
  4. Step 4: Simplify right side
    30,205.40x = 1,034,958,251.94
  5. Step 5: Solve for x
    x = 1,034,958,251.94/30,205.40
  6. Step 6: Final answer
    x = 34,264.01

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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.