Home / 48,622.19-72,904.12-19,004.75

Finding the Fourth Proportional to 48,622.19, 72,904.12 and 19,004.75

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Solution

The fourth proportional to 48,622.19, 72,904.12 and 19,004.75 is: 28,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,622.19 : 72,904.12 = 19,004.75 : x
  2. Step 2: Convert to fraction form
    48,622.19/72,904.12 = 19,004.75/x
  3. Step 3: Cross multiply
    48,622.19x = 72,904.12 × 19,004.75
  4. Step 4: Simplify right side
    48,622.19x = 1,385,524,574.57
  5. Step 5: Solve for x
    x = 1,385,524,574.57/48,622.19
  6. Step 6: Final answer
    x = 28,495.73

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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.