Home / 30,071.78-41,502.14-17,325.48

Finding the Fourth Proportional to 30,071.78, 41,502.14 and 17,325.48

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Solution

The fourth proportional to 30,071.78, 41,502.14 and 17,325.48 is: 23,910.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,071.78 : 41,502.14 = 17,325.48 : x
  2. Step 2: Convert to fraction form
    30,071.78/41,502.14 = 17,325.48/x
  3. Step 3: Cross multiply
    30,071.78x = 41,502.14 × 17,325.48
  4. Step 4: Simplify right side
    30,071.78x = 719,044,496.53
  5. Step 5: Solve for x
    x = 719,044,496.53/30,071.78
  6. Step 6: Final answer
    x = 23,910.94

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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.