Home / 48,373-72,531.30-18,756.23

Finding the Fourth Proportional to 48,373, 72,531.30 and 18,756.23

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Solution

The fourth proportional to 48,373, 72,531.30 and 18,756.23 is: 28,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,373 : 72,531.30 = 18,756.23 : x
  2. Step 2: Convert to fraction form
    48,373/72,531.30 = 18,756.23/x
  3. Step 3: Cross multiply
    48,373x = 72,531.30 × 18,756.23
  4. Step 4: Simplify right side
    48,373x = 1,360,413,745.00
  5. Step 5: Solve for x
    x = 1,360,413,745.00/48,373
  6. Step 6: Final answer
    x = 28,123.41

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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.