Home / 53,247.12-79,847.36-19,943.82

Finding the Fourth Proportional to 53,247.12, 79,847.36 and 19,943.82

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Solution

The fourth proportional to 53,247.12, 79,847.36 and 19,943.82 is: 29,907.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,247.12 : 79,847.36 = 19,943.82 : x
  2. Step 2: Convert to fraction form
    53,247.12/79,847.36 = 19,943.82/x
  3. Step 3: Cross multiply
    53,247.12x = 79,847.36 × 19,943.82
  4. Step 4: Simplify right side
    53,247.12x = 1,592,461,375.32
  5. Step 5: Solve for x
    x = 1,592,461,375.32/53,247.12
  6. Step 6: Final answer
    x = 29,907.00

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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.