Home / 53,456.90-80,203.14-17,921.72

Finding the Fourth Proportional to 53,456.90, 80,203.14 and 17,921.72

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Solution

The fourth proportional to 53,456.90, 80,203.14 and 17,921.72 is: 26,888.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,456.90 : 80,203.14 = 17,921.72 : x
  2. Step 2: Convert to fraction form
    53,456.90/80,203.14 = 17,921.72/x
  3. Step 3: Cross multiply
    53,456.90x = 80,203.14 × 17,921.72
  4. Step 4: Simplify right side
    53,456.90x = 1,437,377,817.19
  5. Step 5: Solve for x
    x = 1,437,377,817.19/53,456.90
  6. Step 6: Final answer
    x = 26,888.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.