Home / 53,630.87-80,390.16-18,079.90

Finding the Fourth Proportional to 53,630.87, 80,390.16 and 18,079.90

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Solution

The fourth proportional to 53,630.87, 80,390.16 and 18,079.90 is: 27,100.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,630.87 : 80,390.16 = 18,079.90 : x
  2. Step 2: Convert to fraction form
    53,630.87/80,390.16 = 18,079.90/x
  3. Step 3: Cross multiply
    53,630.87x = 80,390.16 × 18,079.90
  4. Step 4: Simplify right side
    53,630.87x = 1,453,445,852.81
  5. Step 5: Solve for x
    x = 1,453,445,852.81/53,630.87
  6. Step 6: Final answer
    x = 27,100.92

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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.