Home / 65,259.40-97,824.30-30,137.80

Finding the Fourth Proportional to 65,259.40, 97,824.30 and 30,137.80

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Solution

The fourth proportional to 65,259.40, 97,824.30 and 30,137.80 is: 45,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,259.40 : 97,824.30 = 30,137.80 : x
  2. Step 2: Convert to fraction form
    65,259.40/97,824.30 = 30,137.80/x
  3. Step 3: Cross multiply
    65,259.40x = 97,824.30 × 30,137.80
  4. Step 4: Simplify right side
    65,259.40x = 2,948,209,188.54
  5. Step 5: Solve for x
    x = 2,948,209,188.54/65,259.40
  6. Step 6: Final answer
    x = 45,176.77

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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.