Home / 38,875.52-53,650.92-21,881.39

Finding the Fourth Proportional to 38,875.52, 53,650.92 and 21,881.39

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Solution

The fourth proportional to 38,875.52, 53,650.92 and 21,881.39 is: 30,197.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,875.52 : 53,650.92 = 21,881.39 : x
  2. Step 2: Convert to fraction form
    38,875.52/53,650.92 = 21,881.39/x
  3. Step 3: Cross multiply
    38,875.52x = 53,650.92 × 21,881.39
  4. Step 4: Simplify right side
    38,875.52x = 1,173,956,436.12
  5. Step 5: Solve for x
    x = 1,173,956,436.12/38,875.52
  6. Step 6: Final answer
    x = 30,197.84

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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.