Home / 65,829.51-90,845.15-40,335.93

Finding the Fourth Proportional to 65,829.51, 90,845.15 and 40,335.93

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Solution

The fourth proportional to 65,829.51, 90,845.15 and 40,335.93 is: 55,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,829.51 : 90,845.15 = 40,335.93 : x
  2. Step 2: Convert to fraction form
    65,829.51/90,845.15 = 40,335.93/x
  3. Step 3: Cross multiply
    65,829.51x = 90,845.15 × 40,335.93
  4. Step 4: Simplify right side
    65,829.51x = 3,664,323,409.56
  5. Step 5: Solve for x
    x = 3,664,323,409.56/65,829.51
  6. Step 6: Final answer
    x = 55,663.84

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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.