Home / 51,052.20-76,521.60-21,461.28

Finding the Fourth Proportional to 51,052.20, 76,521.60 and 21,461.28

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Solution

The fourth proportional to 51,052.20, 76,521.60 and 21,461.28 is: 32,168.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,052.20 : 76,521.60 = 21,461.28 : x
  2. Step 2: Convert to fraction form
    51,052.20/76,521.60 = 21,461.28/x
  3. Step 3: Cross multiply
    51,052.20x = 76,521.60 × 21,461.28
  4. Step 4: Simplify right side
    51,052.20x = 1,642,251,483.65
  5. Step 5: Solve for x
    x = 1,642,251,483.65/51,052.20
  6. Step 6: Final answer
    x = 32,168.08

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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.