Home / 35,287.45-48,719.07-21,866.56

Finding the Fourth Proportional to 35,287.45, 48,719.07 and 21,866.56

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Solution

The fourth proportional to 35,287.45, 48,719.07 and 21,866.56 is: 30,189.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,287.45 : 48,719.07 = 21,866.56 : x
  2. Step 2: Convert to fraction form
    35,287.45/48,719.07 = 21,866.56/x
  3. Step 3: Cross multiply
    35,287.45x = 48,719.07 × 21,866.56
  4. Step 4: Simplify right side
    35,287.45x = 1,065,318,345.50
  5. Step 5: Solve for x
    x = 1,065,318,345.50/35,287.45
  6. Step 6: Final answer
    x = 30,189.73

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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.