Home / 65,171.55-89,929.31-36,487.23

Finding the Fourth Proportional to 65,171.55, 89,929.31 and 36,487.23

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Solution

The fourth proportional to 65,171.55, 89,929.31 and 36,487.23 is: 50,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,171.55 : 89,929.31 = 36,487.23 : x
  2. Step 2: Convert to fraction form
    65,171.55/89,929.31 = 36,487.23/x
  3. Step 3: Cross multiply
    65,171.55x = 89,929.31 × 36,487.23
  4. Step 4: Simplify right side
    65,171.55x = 3,281,271,417.71
  5. Step 5: Solve for x
    x = 3,281,271,417.71/65,171.55
  6. Step 6: Final answer
    x = 50,348.22

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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.