Home / 83,663.56-125,495.36-21,334.06

Finding the Fourth Proportional to 83,663.56, 125,495.36 and 21,334.06

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Solution

The fourth proportional to 83,663.56, 125,495.36 and 21,334.06 is: 32,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,663.56 : 125,495.36 = 21,334.06 : x
  2. Step 2: Convert to fraction form
    83,663.56/125,495.36 = 21,334.06/x
  3. Step 3: Cross multiply
    83,663.56x = 125,495.36 × 21,334.06
  4. Step 4: Simplify right side
    83,663.56x = 2,677,325,539.96
  5. Step 5: Solve for x
    x = 2,677,325,539.96/83,663.56
  6. Step 6: Final answer
    x = 32,001.10

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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.