Home / 30,136.47-41,588.13-16,707.72

Finding the Fourth Proportional to 30,136.47, 41,588.13 and 16,707.72

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Solution

The fourth proportional to 30,136.47, 41,588.13 and 16,707.72 is: 23,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136.47 : 41,588.13 = 16,707.72 : x
  2. Step 2: Convert to fraction form
    30,136.47/41,588.13 = 16,707.72/x
  3. Step 3: Cross multiply
    30,136.47x = 41,588.13 × 16,707.72
  4. Step 4: Simplify right side
    30,136.47x = 694,842,831.36
  5. Step 5: Solve for x
    x = 694,842,831.36/30,136.47
  6. Step 6: Final answer
    x = 23,056.54

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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.