Home / 45,582.20-68,368.11-12,300.30

Finding the Fourth Proportional to 45,582.20, 68,368.11 and 12,300.30

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Solution

The fourth proportional to 45,582.20, 68,368.11 and 12,300.30 is: 18,449.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,582.20 : 68,368.11 = 12,300.30 : x
  2. Step 2: Convert to fraction form
    45,582.20/68,368.11 = 12,300.30/x
  3. Step 3: Cross multiply
    45,582.20x = 68,368.11 × 12,300.30
  4. Step 4: Simplify right side
    45,582.20x = 840,948,263.43
  5. Step 5: Solve for x
    x = 840,948,263.43/45,582.20
  6. Step 6: Final answer
    x = 18,449.05

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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.