Home / 35,425.70-48,888.97-20,322.62

Finding the Fourth Proportional to 35,425.70, 48,888.97 and 20,322.62

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Solution

The fourth proportional to 35,425.70, 48,888.97 and 20,322.62 is: 28,046.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,425.70 : 48,888.97 = 20,322.62 : x
  2. Step 2: Convert to fraction form
    35,425.70/48,888.97 = 20,322.62/x
  3. Step 3: Cross multiply
    35,425.70x = 48,888.97 × 20,322.62
  4. Step 4: Simplify right side
    35,425.70x = 993,551,959.50
  5. Step 5: Solve for x
    x = 993,551,959.50/35,425.70
  6. Step 6: Final answer
    x = 28,046.08

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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.