Home / 42,626.80-63,940.08-11,459.44

Finding the Fourth Proportional to 42,626.80, 63,940.08 and 11,459.44

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Solution

The fourth proportional to 42,626.80, 63,940.08 and 11,459.44 is: 17,189.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,626.80 : 63,940.08 = 11,459.44 : x
  2. Step 2: Convert to fraction form
    42,626.80/63,940.08 = 11,459.44/x
  3. Step 3: Cross multiply
    42,626.80x = 63,940.08 × 11,459.44
  4. Step 4: Simplify right side
    42,626.80x = 732,717,510.36
  5. Step 5: Solve for x
    x = 732,717,510.36/42,626.80
  6. Step 6: Final answer
    x = 17,189.13

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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.