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Finding the Fourth Proportional to 35,297.48, 48,711.80 and 19,381.80

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Solution

The fourth proportional to 35,297.48, 48,711.80 and 19,381.80 is: 26,747.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,297.48 : 48,711.80 = 19,381.80 : x
  2. Step 2: Convert to fraction form
    35,297.48/48,711.80 = 19,381.80/x
  3. Step 3: Cross multiply
    35,297.48x = 48,711.80 × 19,381.80
  4. Step 4: Simplify right side
    35,297.48x = 944,122,365.24
  5. Step 5: Solve for x
    x = 944,122,365.24/35,297.48
  6. Step 6: Final answer
    x = 26,747.59

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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.