Home / 36,610.17-54,920.52-12,920.91

Finding the Fourth Proportional to 36,610.17, 54,920.52 and 12,920.91

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Solution

The fourth proportional to 36,610.17, 54,920.52 and 12,920.91 is: 19,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,610.17 : 54,920.52 = 12,920.91 : x
  2. Step 2: Convert to fraction form
    36,610.17/54,920.52 = 12,920.91/x
  3. Step 3: Cross multiply
    36,610.17x = 54,920.52 × 12,920.91
  4. Step 4: Simplify right side
    36,610.17x = 709,623,096.07
  5. Step 5: Solve for x
    x = 709,623,096.07/36,610.17
  6. Step 6: Final answer
    x = 19,383.22

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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.