Home / 53,052.16-79,599.30-21,880.12

Finding the Fourth Proportional to 53,052.16, 79,599.30 and 21,880.12

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Solution

The fourth proportional to 53,052.16, 79,599.30 and 21,880.12 is: 32,828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,052.16 : 79,599.30 = 21,880.12 : x
  2. Step 2: Convert to fraction form
    53,052.16/79,599.30 = 21,880.12/x
  3. Step 3: Cross multiply
    53,052.16x = 79,599.30 × 21,880.12
  4. Step 4: Simplify right side
    53,052.16x = 1,741,642,235.92
  5. Step 5: Solve for x
    x = 1,741,642,235.92/53,052.16
  6. Step 6: Final answer
    x = 32,828.87

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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.