Home / 45,031.88-67,548.98-21,333.88

Finding the Fourth Proportional to 45,031.88, 67,548.98 and 21,333.88

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Solution

The fourth proportional to 45,031.88, 67,548.98 and 21,333.88 is: 32,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,031.88 : 67,548.98 = 21,333.88 : x
  2. Step 2: Convert to fraction form
    45,031.88/67,548.98 = 21,333.88/x
  3. Step 3: Cross multiply
    45,031.88x = 67,548.98 × 21,333.88
  4. Step 4: Simplify right side
    45,031.88x = 1,441,081,829.01
  5. Step 5: Solve for x
    x = 1,441,081,829.01/45,031.88
  6. Step 6: Final answer
    x = 32,001.37

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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.