Home / 36,845.90-55,279.61-11,885.40

Finding the Fourth Proportional to 36,845.90, 55,279.61 and 11,885.40

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Solution

The fourth proportional to 36,845.90, 55,279.61 and 11,885.40 is: 17,831.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,845.90 : 55,279.61 = 11,885.40 : x
  2. Step 2: Convert to fraction form
    36,845.90/55,279.61 = 11,885.40/x
  3. Step 3: Cross multiply
    36,845.90x = 55,279.61 × 11,885.40
  4. Step 4: Simplify right side
    36,845.90x = 657,020,306.41
  5. Step 5: Solve for x
    x = 657,020,306.41/36,845.90
  6. Step 6: Final answer
    x = 17,831.57

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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.