Home / 40,031.58-60,059.52-21,308.43

Finding the Fourth Proportional to 40,031.58, 60,059.52 and 21,308.43

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Solution

The fourth proportional to 40,031.58, 60,059.52 and 21,308.43 is: 31,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,031.58 : 60,059.52 = 21,308.43 : x
  2. Step 2: Convert to fraction form
    40,031.58/60,059.52 = 21,308.43/x
  3. Step 3: Cross multiply
    40,031.58x = 60,059.52 × 21,308.43
  4. Step 4: Simplify right side
    40,031.58x = 1,279,774,077.75
  5. Step 5: Solve for x
    x = 1,279,774,077.75/40,031.58
  6. Step 6: Final answer
    x = 31,969.11

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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.