Home / 51,040.31-76,482.50-21,441.96

Finding the Fourth Proportional to 51,040.31, 76,482.50 and 21,441.96

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Solution

The fourth proportional to 51,040.31, 76,482.50 and 21,441.96 is: 32,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,040.31 : 76,482.50 = 21,441.96 : x
  2. Step 2: Convert to fraction form
    51,040.31/76,482.50 = 21,441.96/x
  3. Step 3: Cross multiply
    51,040.31x = 76,482.50 × 21,441.96
  4. Step 4: Simplify right side
    51,040.31x = 1,639,934,598.49
  5. Step 5: Solve for x
    x = 1,639,934,598.49/51,040.31
  6. Step 6: Final answer
    x = 32,130.19

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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.