Home / 64,685.15-89,263.19-36,003.86

Finding the Fourth Proportional to 64,685.15, 89,263.19 and 36,003.86

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Solution

The fourth proportional to 64,685.15, 89,263.19 and 36,003.86 is: 49,684.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,685.15 : 89,263.19 = 36,003.86 : x
  2. Step 2: Convert to fraction form
    64,685.15/89,263.19 = 36,003.86/x
  3. Step 3: Cross multiply
    64,685.15x = 89,263.19 × 36,003.86
  4. Step 4: Simplify right side
    64,685.15x = 3,213,819,215.89
  5. Step 5: Solve for x
    x = 3,213,819,215.89/64,685.15
  6. Step 6: Final answer
    x = 49,684.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.