Home / 55,521.40-76,625.60-35,396.68

Finding the Fourth Proportional to 55,521.40, 76,625.60 and 35,396.68

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Solution

The fourth proportional to 55,521.40, 76,625.60 and 35,396.68 is: 48,851.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,521.40 : 76,625.60 = 35,396.68 : x
  2. Step 2: Convert to fraction form
    55,521.40/76,625.60 = 35,396.68/x
  3. Step 3: Cross multiply
    55,521.40x = 76,625.60 × 35,396.68
  4. Step 4: Simplify right side
    55,521.40x = 2,712,291,843.01
  5. Step 5: Solve for x
    x = 2,712,291,843.01/55,521.40
  6. Step 6: Final answer
    x = 48,851.29

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1.5x scale

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.