Home / 61,719.28-85,172.43-33,424.90

Finding the Fourth Proportional to 61,719.28, 85,172.43 and 33,424.90

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Solution

The fourth proportional to 61,719.28, 85,172.43 and 33,424.90 is: 46,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,719.28 : 85,172.43 = 33,424.90 : x
  2. Step 2: Convert to fraction form
    61,719.28/85,172.43 = 33,424.90/x
  3. Step 3: Cross multiply
    61,719.28x = 85,172.43 × 33,424.90
  4. Step 4: Simplify right side
    61,719.28x = 2,846,879,955.51
  5. Step 5: Solve for x
    x = 2,846,879,955.51/61,719.28
  6. Step 6: Final answer
    x = 46,126.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.