Home / 51,052.86-76,562.28-21,465.18

Finding the Fourth Proportional to 51,052.86, 76,562.28 and 21,465.18

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Solution

The fourth proportional to 51,052.86, 76,562.28 and 21,465.18 is: 32,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,052.86 : 76,562.28 = 21,465.18 : x
  2. Step 2: Convert to fraction form
    51,052.86/76,562.28 = 21,465.18/x
  3. Step 3: Cross multiply
    51,052.86x = 76,562.28 × 21,465.18
  4. Step 4: Simplify right side
    51,052.86x = 1,643,423,121.41
  5. Step 5: Solve for x
    x = 1,643,423,121.41/51,052.86
  6. Step 6: Final answer
    x = 32,190.62

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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.