Home / 51,651.09-77,518.16-26,698.46

Finding the Fourth Proportional to 51,651.09, 77,518.16 and 26,698.46

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Solution

The fourth proportional to 51,651.09, 77,518.16 and 26,698.46 is: 40,069.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,651.09 : 77,518.16 = 26,698.46 : x
  2. Step 2: Convert to fraction form
    51,651.09/77,518.16 = 26,698.46/x
  3. Step 3: Cross multiply
    51,651.09x = 77,518.16 × 26,698.46
  4. Step 4: Simplify right side
    51,651.09x = 2,069,614,972.95
  5. Step 5: Solve for x
    x = 2,069,614,972.95/51,651.09
  6. Step 6: Final answer
    x = 40,069.14

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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.