Home / 53,543-73,787.48-39,207.22

Finding the Fourth Proportional to 53,543, 73,787.48 and 39,207.22

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Solution

The fourth proportional to 53,543, 73,787.48 and 39,207.22 is: 54,031.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,543 : 73,787.48 = 39,207.22 : x
  2. Step 2: Convert to fraction form
    53,543/73,787.48 = 39,207.22/x
  3. Step 3: Cross multiply
    53,543x = 73,787.48 × 39,207.22
  4. Step 4: Simplify right side
    53,543x = 2,893,001,961.61
  5. Step 5: Solve for x
    x = 2,893,001,961.61/53,543
  6. Step 6: Final answer
    x = 54,031.38

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Find fourth proportional to 53,544, 73,788.86 and 39,208.22
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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.