Home / 45,206.52-67,821.05-31,905.49

Finding the Fourth Proportional to 45,206.52, 67,821.05 and 31,905.49

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Solution

The fourth proportional to 45,206.52, 67,821.05 and 31,905.49 is: 47,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,206.52 : 67,821.05 = 31,905.49 : x
  2. Step 2: Convert to fraction form
    45,206.52/67,821.05 = 31,905.49/x
  3. Step 3: Cross multiply
    45,206.52x = 67,821.05 × 31,905.49
  4. Step 4: Simplify right side
    45,206.52x = 2,163,863,877.46
  5. Step 5: Solve for x
    x = 2,163,863,877.46/45,206.52
  6. Step 6: Final answer
    x = 47,866.19

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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.