Home / 48,023.10-72,043.83-18,438.57

Finding the Fourth Proportional to 48,023.10, 72,043.83 and 18,438.57

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Solution

The fourth proportional to 48,023.10, 72,043.83 and 18,438.57 is: 27,661.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,023.10 : 72,043.83 = 18,438.57 : x
  2. Step 2: Convert to fraction form
    48,023.10/72,043.83 = 18,438.57/x
  3. Step 3: Cross multiply
    48,023.10x = 72,043.83 × 18,438.57
  4. Step 4: Simplify right side
    48,023.10x = 1,328,385,202.52
  5. Step 5: Solve for x
    x = 1,328,385,202.52/48,023.10
  6. Step 6: Final answer
    x = 27,661.38

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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.