Home / 38,239.72-52,762.24-21,471.64

Finding the Fourth Proportional to 38,239.72, 52,762.24 and 21,471.64

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Solution

The fourth proportional to 38,239.72, 52,762.24 and 21,471.64 is: 29,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,239.72 : 52,762.24 = 21,471.64 : x
  2. Step 2: Convert to fraction form
    38,239.72/52,762.24 = 21,471.64/x
  3. Step 3: Cross multiply
    38,239.72x = 52,762.24 × 21,471.64
  4. Step 4: Simplify right side
    38,239.72x = 1,132,891,822.87
  5. Step 5: Solve for x
    x = 1,132,891,822.87/38,239.72
  6. Step 6: Final answer
    x = 29,626.05

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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.