Home / 35,330.58-48,750.66-20,219.76

Finding the Fourth Proportional to 35,330.58, 48,750.66 and 20,219.76

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Solution

The fourth proportional to 35,330.58, 48,750.66 and 20,219.76 is: 27,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,330.58 : 48,750.66 = 20,219.76 : x
  2. Step 2: Convert to fraction form
    35,330.58/48,750.66 = 20,219.76/x
  3. Step 3: Cross multiply
    35,330.58x = 48,750.66 × 20,219.76
  4. Step 4: Simplify right side
    35,330.58x = 985,726,645.04
  5. Step 5: Solve for x
    x = 985,726,645.04/35,330.58
  6. Step 6: Final answer
    x = 27,900.10

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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.