Home / 38,235.36-52,762.92-21,240.68

Finding the Fourth Proportional to 38,235.36, 52,762.92 and 21,240.68

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Solution

The fourth proportional to 38,235.36, 52,762.92 and 21,240.68 is: 29,311.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,235.36 : 52,762.92 = 21,240.68 : x
  2. Step 2: Convert to fraction form
    38,235.36/52,762.92 = 21,240.68/x
  3. Step 3: Cross multiply
    38,235.36x = 52,762.92 × 21,240.68
  4. Step 4: Simplify right side
    38,235.36x = 1,120,720,035.77
  5. Step 5: Solve for x
    x = 1,120,720,035.77/38,235.36
  6. Step 6: Final answer
    x = 29,311.09

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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.