Home / 36,034.48-53,963.88-20,404.72

Finding the Fourth Proportional to 36,034.48, 53,963.88 and 20,404.72

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Solution

The fourth proportional to 36,034.48, 53,963.88 and 20,404.72 is: 30,557.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,034.48 : 53,963.88 = 20,404.72 : x
  2. Step 2: Convert to fraction form
    36,034.48/53,963.88 = 20,404.72/x
  3. Step 3: Cross multiply
    36,034.48x = 53,963.88 × 20,404.72
  4. Step 4: Simplify right side
    36,034.48x = 1,101,117,861.51
  5. Step 5: Solve for x
    x = 1,101,117,861.51/36,034.48
  6. Step 6: Final answer
    x = 30,557.34

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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.