Home / 42,735.74-64,126.56-21,959.24

Finding the Fourth Proportional to 42,735.74, 64,126.56 and 21,959.24

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Solution

The fourth proportional to 42,735.74, 64,126.56 and 21,959.24 is: 32,950.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,735.74 : 64,126.56 = 21,959.24 : x
  2. Step 2: Convert to fraction form
    42,735.74/64,126.56 = 21,959.24/x
  3. Step 3: Cross multiply
    42,735.74x = 64,126.56 × 21,959.24
  4. Step 4: Simplify right side
    42,735.74x = 1,408,170,521.41
  5. Step 5: Solve for x
    x = 1,408,170,521.41/42,735.74
  6. Step 6: Final answer
    x = 32,950.65

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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.