Home / 36,831.80-55,250.76-13,130.18

Finding the Fourth Proportional to 36,831.80, 55,250.76 and 13,130.18

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Solution

The fourth proportional to 36,831.80, 55,250.76 and 13,130.18 is: 19,696.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,831.80 : 55,250.76 = 13,130.18 : x
  2. Step 2: Convert to fraction form
    36,831.80/55,250.76 = 13,130.18/x
  3. Step 3: Cross multiply
    36,831.80x = 55,250.76 × 13,130.18
  4. Step 4: Simplify right side
    36,831.80x = 725,452,423.94
  5. Step 5: Solve for x
    x = 725,452,423.94/36,831.80
  6. Step 6: Final answer
    x = 19,696.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.