Home / 48,717.57-72,865.26-28,679.31

Finding the Fourth Proportional to 48,717.57, 72,865.26 and 28,679.31

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Solution

The fourth proportional to 48,717.57, 72,865.26 and 28,679.31 is: 42,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,717.57 : 72,865.26 = 28,679.31 : x
  2. Step 2: Convert to fraction form
    48,717.57/72,865.26 = 28,679.31/x
  3. Step 3: Cross multiply
    48,717.57x = 72,865.26 × 28,679.31
  4. Step 4: Simplify right side
    48,717.57x = 2,089,725,379.77
  5. Step 5: Solve for x
    x = 2,089,725,379.77/48,717.57
  6. Step 6: Final answer
    x = 42,894.70

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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.