Home / 35,451.66-48,901.65-21,101.85

Finding the Fourth Proportional to 35,451.66, 48,901.65 and 21,101.85

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Solution

The fourth proportional to 35,451.66, 48,901.65 and 21,101.85 is: 29,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,451.66 : 48,901.65 = 21,101.85 : x
  2. Step 2: Convert to fraction form
    35,451.66/48,901.65 = 21,101.85/x
  3. Step 3: Cross multiply
    35,451.66x = 48,901.65 × 21,101.85
  4. Step 4: Simplify right side
    35,451.66x = 1,031,915,283.05
  5. Step 5: Solve for x
    x = 1,031,915,283.05/35,451.66
  6. Step 6: Final answer
    x = 29,107.67

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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.