Home / 30,147.41-41,603.54-16,719.91

Finding the Fourth Proportional to 30,147.41, 41,603.54 and 16,719.91

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Solution

The fourth proportional to 30,147.41, 41,603.54 and 16,719.91 is: 23,073.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,147.41 : 41,603.54 = 16,719.91 : x
  2. Step 2: Convert to fraction form
    30,147.41/41,603.54 = 16,719.91/x
  3. Step 3: Cross multiply
    30,147.41x = 41,603.54 × 16,719.91
  4. Step 4: Simplify right side
    30,147.41x = 695,607,256.87
  5. Step 5: Solve for x
    x = 695,607,256.87/30,147.41
  6. Step 6: Final answer
    x = 23,073.53

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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.