Home / 35,728.54-49,306.56-19,814.50

Finding the Fourth Proportional to 35,728.54, 49,306.56 and 19,814.50

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Solution

The fourth proportional to 35,728.54, 49,306.56 and 19,814.50 is: 27,344.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,728.54 : 49,306.56 = 19,814.50 : x
  2. Step 2: Convert to fraction form
    35,728.54/49,306.56 = 19,814.50/x
  3. Step 3: Cross multiply
    35,728.54x = 49,306.56 × 19,814.50
  4. Step 4: Simplify right side
    35,728.54x = 976,984,833.12
  5. Step 5: Solve for x
    x = 976,984,833.12/35,728.54
  6. Step 6: Final answer
    x = 27,344.66

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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.