Home / 62,403.84-86,162.40-38,563.20

Finding the Fourth Proportional to 62,403.84, 86,162.40 and 38,563.20

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Solution

The fourth proportional to 62,403.84, 86,162.40 and 38,563.20 is: 53,245.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,403.84 : 86,162.40 = 38,563.20 : x
  2. Step 2: Convert to fraction form
    62,403.84/86,162.40 = 38,563.20/x
  3. Step 3: Cross multiply
    62,403.84x = 86,162.40 × 38,563.20
  4. Step 4: Simplify right side
    62,403.84x = 3,322,697,863.68
  5. Step 5: Solve for x
    x = 3,322,697,863.68/62,403.84
  6. Step 6: Final answer
    x = 53,245.09

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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.