Home / 20,282.08-30,423.10-14,770.50

Finding the Fourth Proportional to 20,282.08, 30,423.10 and 14,770.50

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Solution

The fourth proportional to 20,282.08, 30,423.10 and 14,770.50 is: 22,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,282.08 : 30,423.10 = 14,770.50 : x
  2. Step 2: Convert to fraction form
    20,282.08/30,423.10 = 14,770.50/x
  3. Step 3: Cross multiply
    20,282.08x = 30,423.10 × 14,770.50
  4. Step 4: Simplify right side
    20,282.08x = 449,364,398.55
  5. Step 5: Solve for x
    x = 449,364,398.55/20,282.08
  6. Step 6: Final answer
    x = 22,155.74

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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.