Home / 61,719.23-85,172.35-33,424.91

Finding the Fourth Proportional to 61,719.23, 85,172.35 and 33,424.91

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Solution

The fourth proportional to 61,719.23, 85,172.35 and 33,424.91 is: 46,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,719.23 : 85,172.35 = 33,424.91 : x
  2. Step 2: Convert to fraction form
    61,719.23/85,172.35 = 33,424.91/x
  3. Step 3: Cross multiply
    61,719.23x = 85,172.35 × 33,424.91
  4. Step 4: Simplify right side
    61,719.23x = 2,846,878,133.24
  5. Step 5: Solve for x
    x = 2,846,878,133.24/61,719.23
  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.