Home / 35,131.06-48,480.51-19,215.82

Finding the Fourth Proportional to 35,131.06, 48,480.51 and 19,215.82

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Solution

The fourth proportional to 35,131.06, 48,480.51 and 19,215.82 is: 26,517.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,131.06 : 48,480.51 = 19,215.82 : x
  2. Step 2: Convert to fraction form
    35,131.06/48,480.51 = 19,215.82/x
  3. Step 3: Cross multiply
    35,131.06x = 48,480.51 × 19,215.82
  4. Step 4: Simplify right side
    35,131.06x = 931,592,753.67
  5. Step 5: Solve for x
    x = 931,592,753.67/35,131.06
  6. Step 6: Final answer
    x = 26,517.64

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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.