Home / 42,586.39-63,813.87-26,971.21

Finding the Fourth Proportional to 42,586.39, 63,813.87 and 26,971.21

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Solution

The fourth proportional to 42,586.39, 63,813.87 and 26,971.21 is: 40,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,586.39 : 63,813.87 = 26,971.21 : x
  2. Step 2: Convert to fraction form
    42,586.39/63,813.87 = 26,971.21/x
  3. Step 3: Cross multiply
    42,586.39x = 63,813.87 × 26,971.21
  4. Step 4: Simplify right side
    42,586.39x = 1,721,137,288.68
  5. Step 5: Solve for x
    x = 1,721,137,288.68/42,586.39
  6. Step 6: Final answer
    x = 40,415.20

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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.