Home / 34,920.28-48,186.38-20,770.40

Finding the Fourth Proportional to 34,920.28, 48,186.38 and 20,770.40

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Solution

The fourth proportional to 34,920.28, 48,186.38 and 20,770.40 is: 28,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,920.28 : 48,186.38 = 20,770.40 : x
  2. Step 2: Convert to fraction form
    34,920.28/48,186.38 = 20,770.40/x
  3. Step 3: Cross multiply
    34,920.28x = 48,186.38 × 20,770.40
  4. Step 4: Simplify right side
    34,920.28x = 1,000,850,387.15
  5. Step 5: Solve for x
    x = 1,000,850,387.15/34,920.28
  6. Step 6: Final answer
    x = 28,661.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.