Home / 40,858.34-61,230.80-18,617.36

Finding the Fourth Proportional to 40,858.34, 61,230.80 and 18,617.36

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Solution

The fourth proportional to 40,858.34, 61,230.80 and 18,617.36 is: 27,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,858.34 : 61,230.80 = 18,617.36 : x
  2. Step 2: Convert to fraction form
    40,858.34/61,230.80 = 18,617.36/x
  3. Step 3: Cross multiply
    40,858.34x = 61,230.80 × 18,617.36
  4. Step 4: Simplify right side
    40,858.34x = 1,139,955,587.08
  5. Step 5: Solve for x
    x = 1,139,955,587.08/40,858.34
  6. Step 6: Final answer
    x = 27,900.20

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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.