Home / 65,031.20-97,546.56-15,783.20

Finding the Fourth Proportional to 65,031.20, 97,546.56 and 15,783.20

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Solution

The fourth proportional to 65,031.20, 97,546.56 and 15,783.20 is: 23,674.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,031.20 : 97,546.56 = 15,783.20 : x
  2. Step 2: Convert to fraction form
    65,031.20/97,546.56 = 15,783.20/x
  3. Step 3: Cross multiply
    65,031.20x = 97,546.56 × 15,783.20
  4. Step 4: Simplify right side
    65,031.20x = 1,539,596,865.79
  5. Step 5: Solve for x
    x = 1,539,596,865.79/65,031.20
  6. Step 6: Final answer
    x = 23,674.74

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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.