Home / 52,205.70-78,308.55-18,925.73

Finding the Fourth Proportional to 52,205.70, 78,308.55 and 18,925.73

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Solution

The fourth proportional to 52,205.70, 78,308.55 and 18,925.73 is: 28,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,205.70 : 78,308.55 = 18,925.73 : x
  2. Step 2: Convert to fraction form
    52,205.70/78,308.55 = 18,925.73/x
  3. Step 3: Cross multiply
    52,205.70x = 78,308.55 × 18,925.73
  4. Step 4: Simplify right side
    52,205.70x = 1,482,046,082.45
  5. Step 5: Solve for x
    x = 1,482,046,082.45/52,205.70
  6. Step 6: Final answer
    x = 28,388.59

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1.5x scale

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.