Home / 35,267.14-48,661.05-20,354.50

Finding the Fourth Proportional to 35,267.14, 48,661.05 and 20,354.50

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Solution

The fourth proportional to 35,267.14, 48,661.05 and 20,354.50 is: 28,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,267.14 : 48,661.05 = 20,354.50 : x
  2. Step 2: Convert to fraction form
    35,267.14/48,661.05 = 20,354.50/x
  3. Step 3: Cross multiply
    35,267.14x = 48,661.05 × 20,354.50
  4. Step 4: Simplify right side
    35,267.14x = 990,471,342.23
  5. Step 5: Solve for x
    x = 990,471,342.23/35,267.14
  6. Step 6: Final answer
    x = 28,084.82

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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.