Home / 40,710.06-61,069.14-12,628.98

Finding the Fourth Proportional to 40,710.06, 61,069.14 and 12,628.98

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Solution

The fourth proportional to 40,710.06, 61,069.14 and 12,628.98 is: 18,944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,710.06 : 61,069.14 = 12,628.98 : x
  2. Step 2: Convert to fraction form
    40,710.06/61,069.14 = 12,628.98/x
  3. Step 3: Cross multiply
    40,710.06x = 61,069.14 × 12,628.98
  4. Step 4: Simplify right side
    40,710.06x = 771,240,947.68
  5. Step 5: Solve for x
    x = 771,240,947.68/40,710.06
  6. Step 6: Final answer
    x = 18,944.73

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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.