Home / 51,525.20-77,254.31-21,553.74

Finding the Fourth Proportional to 51,525.20, 77,254.31 and 21,553.74

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Solution

The fourth proportional to 51,525.20, 77,254.31 and 21,553.74 is: 32,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,525.20 : 77,254.31 = 21,553.74 : x
  2. Step 2: Convert to fraction form
    51,525.20/77,254.31 = 21,553.74/x
  3. Step 3: Cross multiply
    51,525.20x = 77,254.31 × 21,553.74
  4. Step 4: Simplify right side
    51,525.20x = 1,665,119,365.50
  5. Step 5: Solve for x
    x = 1,665,119,365.50/51,525.20
  6. Step 6: Final answer
    x = 32,316.60

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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.