Home / 30,217.40-45,374.70-22,830.20

Finding the Fourth Proportional to 30,217.40, 45,374.70 and 22,830.20

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Solution

The fourth proportional to 30,217.40, 45,374.70 and 22,830.20 is: 34,282.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,217.40 : 45,374.70 = 22,830.20 : x
  2. Step 2: Convert to fraction form
    30,217.40/45,374.70 = 22,830.20/x
  3. Step 3: Cross multiply
    30,217.40x = 45,374.70 × 22,830.20
  4. Step 4: Simplify right side
    30,217.40x = 1,035,913,475.94
  5. Step 5: Solve for x
    x = 1,035,913,475.94/30,217.40
  6. Step 6: Final answer
    x = 34,282.02

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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.