Home / 51,563.07-71,159.84-28,909.32

Finding the Fourth Proportional to 51,563.07, 71,159.84 and 28,909.32

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Solution

The fourth proportional to 51,563.07, 71,159.84 and 28,909.32 is: 39,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,563.07 : 71,159.84 = 28,909.32 : x
  2. Step 2: Convert to fraction form
    51,563.07/71,159.84 = 28,909.32/x
  3. Step 3: Cross multiply
    51,563.07x = 71,159.84 × 28,909.32
  4. Step 4: Simplify right side
    51,563.07x = 2,057,182,441.16
  5. Step 5: Solve for x
    x = 2,057,182,441.16/51,563.07
  6. Step 6: Final answer
    x = 39,896.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.