Home / 40,765.52-61,136.42-15,800.00

Finding the Fourth Proportional to 40,765.52, 61,136.42 and 15,800.00

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Solution

The fourth proportional to 40,765.52, 61,136.42 and 15,800.00 is: 23,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,765.52 : 61,136.42 = 15,800.00 : x
  2. Step 2: Convert to fraction form
    40,765.52/61,136.42 = 15,800.00/x
  3. Step 3: Cross multiply
    40,765.52x = 61,136.42 × 15,800.00
  4. Step 4: Simplify right side
    40,765.52x = 965,955,051.32
  5. Step 5: Solve for x
    x = 965,955,051.32/40,765.52
  6. Step 6: Final answer
    x = 23,695.40

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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.