Home / 38,253.72-52,781.52-21,485.64

Finding the Fourth Proportional to 38,253.72, 52,781.52 and 21,485.64

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Solution

The fourth proportional to 38,253.72, 52,781.52 and 21,485.64 is: 29,645.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,253.72 : 52,781.52 = 21,485.64 : x
  2. Step 2: Convert to fraction form
    38,253.72/52,781.52 = 21,485.64/x
  3. Step 3: Cross multiply
    38,253.72x = 52,781.52 × 21,485.64
  4. Step 4: Simplify right side
    38,253.72x = 1,134,044,737.37
  5. Step 5: Solve for x
    x = 1,134,044,737.37/38,253.72
  6. Step 6: Final answer
    x = 29,645.35

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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.