Home / 48,420.90-66,820.77-26,909.97

Finding the Fourth Proportional to 48,420.90, 66,820.77 and 26,909.97

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Solution

The fourth proportional to 48,420.90, 66,820.77 and 26,909.97 is: 37,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,420.90 : 66,820.77 = 26,909.97 : x
  2. Step 2: Convert to fraction form
    48,420.90/66,820.77 = 26,909.97/x
  3. Step 3: Cross multiply
    48,420.90x = 66,820.77 × 26,909.97
  4. Step 4: Simplify right side
    48,420.90x = 1,798,144,665.50
  5. Step 5: Solve for x
    x = 1,798,144,665.50/48,420.90
  6. Step 6: Final answer
    x = 37,135.72

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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.