Home / 89,031.15-133,553.64-25,852.31

Finding the Fourth Proportional to 89,031.15, 133,553.64 and 25,852.31

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Solution

The fourth proportional to 89,031.15, 133,553.64 and 25,852.31 is: 38,780.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,031.15 : 133,553.64 = 25,852.31 : x
  2. Step 2: Convert to fraction form
    89,031.15/133,553.64 = 25,852.31/x
  3. Step 3: Cross multiply
    89,031.15x = 133,553.64 × 25,852.31
  4. Step 4: Simplify right side
    89,031.15x = 3,452,670,388.32
  5. Step 5: Solve for x
    x = 3,452,670,388.32/89,031.15
  6. Step 6: Final answer
    x = 38,780.48

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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.