Home / 38,756.22-53,472.91-21,758.83

Finding the Fourth Proportional to 38,756.22, 53,472.91 and 21,758.83

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Solution

The fourth proportional to 38,756.22, 53,472.91 and 21,758.83 is: 30,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,756.22 : 53,472.91 = 21,758.83 : x
  2. Step 2: Convert to fraction form
    38,756.22/53,472.91 = 21,758.83/x
  3. Step 3: Cross multiply
    38,756.22x = 53,472.91 × 21,758.83
  4. Step 4: Simplify right side
    38,756.22x = 1,163,507,811.01
  5. Step 5: Solve for x
    x = 1,163,507,811.01/38,756.22
  6. Step 6: Final answer
    x = 30,021.19

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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.