Home / 38,488.96-53,114.27-21,493.49

Finding the Fourth Proportional to 38,488.96, 53,114.27 and 21,493.49

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Solution

The fourth proportional to 38,488.96, 53,114.27 and 21,493.49 is: 29,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,488.96 : 53,114.27 = 21,493.49 : x
  2. Step 2: Convert to fraction form
    38,488.96/53,114.27 = 21,493.49/x
  3. Step 3: Cross multiply
    38,488.96x = 53,114.27 × 21,493.49
  4. Step 4: Simplify right side
    38,488.96x = 1,141,611,056.42
  5. Step 5: Solve for x
    x = 1,141,611,056.42/38,488.96
  6. Step 6: Final answer
    x = 29,660.74

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Double scale
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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.