Home / 64,913.55-97,360.20-20,551.20

Finding the Fourth Proportional to 64,913.55, 97,360.20 and 20,551.20

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Solution

The fourth proportional to 64,913.55, 97,360.20 and 20,551.20 is: 30,823.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,913.55 : 97,360.20 = 20,551.20 : x
  2. Step 2: Convert to fraction form
    64,913.55/97,360.20 = 20,551.20/x
  3. Step 3: Cross multiply
    64,913.55x = 97,360.20 × 20,551.20
  4. Step 4: Simplify right side
    64,913.55x = 2,000,868,942.24
  5. Step 5: Solve for x
    x = 2,000,868,942.24/64,913.55
  6. Step 6: Final answer
    x = 30,823.59

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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.