Home / 35,261.53-48,660.62-19,128.79

Finding the Fourth Proportional to 35,261.53, 48,660.62 and 19,128.79

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Solution

The fourth proportional to 35,261.53, 48,660.62 and 19,128.79 is: 26,397.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,261.53 : 48,660.62 = 19,128.79 : x
  2. Step 2: Convert to fraction form
    35,261.53/48,660.62 = 19,128.79/x
  3. Step 3: Cross multiply
    35,261.53x = 48,660.62 × 19,128.79
  4. Step 4: Simplify right side
    35,261.53x = 930,818,781.25
  5. Step 5: Solve for x
    x = 930,818,781.25/35,261.53
  6. Step 6: Final answer
    x = 26,397.57

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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.