Home / 60,741.42-91,112.93-21,299.68

Finding the Fourth Proportional to 60,741.42, 91,112.93 and 21,299.68

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Solution

The fourth proportional to 60,741.42, 91,112.93 and 21,299.68 is: 31,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,741.42 : 91,112.93 = 21,299.68 : x
  2. Step 2: Convert to fraction form
    60,741.42/91,112.93 = 21,299.68/x
  3. Step 3: Cross multiply
    60,741.42x = 91,112.93 × 21,299.68
  4. Step 4: Simplify right side
    60,741.42x = 1,940,676,252.86
  5. Step 5: Solve for x
    x = 1,940,676,252.86/60,741.42
  6. Step 6: Final answer
    x = 31,949.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.