Home / 51,688.44-77,546.03-21,686.58

Finding the Fourth Proportional to 51,688.44, 77,546.03 and 21,686.58

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Solution

The fourth proportional to 51,688.44, 77,546.03 and 21,686.58 is: 32,535.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,688.44 : 77,546.03 = 21,686.58 : x
  2. Step 2: Convert to fraction form
    51,688.44/77,546.03 = 21,686.58/x
  3. Step 3: Cross multiply
    51,688.44x = 77,546.03 × 21,686.58
  4. Step 4: Simplify right side
    51,688.44x = 1,681,708,074.84
  5. Step 5: Solve for x
    x = 1,681,708,074.84/51,688.44
  6. Step 6: Final answer
    x = 32,535.48

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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.