Home / 51,226.50-70,692.79-28,565.42

Finding the Fourth Proportional to 51,226.50, 70,692.79 and 28,565.42

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Solution

The fourth proportional to 51,226.50, 70,692.79 and 28,565.42 is: 39,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,226.50 : 70,692.79 = 28,565.42 : x
  2. Step 2: Convert to fraction form
    51,226.50/70,692.79 = 28,565.42/x
  3. Step 3: Cross multiply
    51,226.50x = 70,692.79 × 28,565.42
  4. Step 4: Simplify right side
    51,226.50x = 2,019,368,883.86
  5. Step 5: Solve for x
    x = 2,019,368,883.86/51,226.50
  6. Step 6: Final answer
    x = 39,420.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.