Home / 65,822.74-90,835.81-40,329.16

Finding the Fourth Proportional to 65,822.74, 90,835.81 and 40,329.16

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Solution

The fourth proportional to 65,822.74, 90,835.81 and 40,329.16 is: 55,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,822.74 : 90,835.81 = 40,329.16 : x
  2. Step 2: Convert to fraction form
    65,822.74/90,835.81 = 40,329.16/x
  3. Step 3: Cross multiply
    65,822.74x = 90,835.81 × 40,329.16
  4. Step 4: Simplify right side
    65,822.74x = 3,663,331,587.31
  5. Step 5: Solve for x
    x = 3,663,331,587.31/65,822.74
  6. Step 6: Final answer
    x = 55,654.50

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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.