Home / 30,136.72-41,588.76-16,708.92

Finding the Fourth Proportional to 30,136.72, 41,588.76 and 16,708.92

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Solution

The fourth proportional to 30,136.72, 41,588.76 and 16,708.92 is: 23,058.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136.72 : 41,588.76 = 16,708.92 : x
  2. Step 2: Convert to fraction form
    30,136.72/41,588.76 = 16,708.92/x
  3. Step 3: Cross multiply
    30,136.72x = 41,588.76 × 16,708.92
  4. Step 4: Simplify right side
    30,136.72x = 694,903,263.74
  5. Step 5: Solve for x
    x = 694,903,263.74/30,136.72
  6. Step 6: Final answer
    x = 23,058.36

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Half scale
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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.