Home / 40,973.45-61,458.35-10,987.70

Finding the Fourth Proportional to 40,973.45, 61,458.35 and 10,987.70

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Solution

The fourth proportional to 40,973.45, 61,458.35 and 10,987.70 is: 16,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,973.45 : 61,458.35 = 10,987.70 : x
  2. Step 2: Convert to fraction form
    40,973.45/61,458.35 = 10,987.70/x
  3. Step 3: Cross multiply
    40,973.45x = 61,458.35 × 10,987.70
  4. Step 4: Simplify right side
    40,973.45x = 675,285,895.77
  5. Step 5: Solve for x
    x = 675,285,895.77/40,973.45
  6. Step 6: Final answer
    x = 16,481.06

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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.