Home / 65,197.02-97,787.35-20,820.09

Finding the Fourth Proportional to 65,197.02, 97,787.35 and 20,820.09

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Solution

The fourth proportional to 65,197.02, 97,787.35 and 20,820.09 is: 31,227.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,197.02 : 97,787.35 = 20,820.09 : x
  2. Step 2: Convert to fraction form
    65,197.02/97,787.35 = 20,820.09/x
  3. Step 3: Cross multiply
    65,197.02x = 97,787.35 × 20,820.09
  4. Step 4: Simplify right side
    65,197.02x = 2,035,941,427.86
  5. Step 5: Solve for x
    x = 2,035,941,427.86/65,197.02
  6. Step 6: Final answer
    x = 31,227.52

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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.