Home / 52,258.28-78,333.72-20,655.50

Finding the Fourth Proportional to 52,258.28, 78,333.72 and 20,655.50

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Solution

The fourth proportional to 52,258.28, 78,333.72 and 20,655.50 is: 30,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,258.28 : 78,333.72 = 20,655.50 : x
  2. Step 2: Convert to fraction form
    52,258.28/78,333.72 = 20,655.50/x
  3. Step 3: Cross multiply
    52,258.28x = 78,333.72 × 20,655.50
  4. Step 4: Simplify right side
    52,258.28x = 1,618,022,153.46
  5. Step 5: Solve for x
    x = 1,618,022,153.46/52,258.28
  6. Step 6: Final answer
    x = 30,962.02

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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.