Home / 37,069.50-51,155.91-20,302.86

Finding the Fourth Proportional to 37,069.50, 51,155.91 and 20,302.86

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Solution

The fourth proportional to 37,069.50, 51,155.91 and 20,302.86 is: 28,017.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,069.50 : 51,155.91 = 20,302.86 : x
  2. Step 2: Convert to fraction form
    37,069.50/51,155.91 = 20,302.86/x
  3. Step 3: Cross multiply
    37,069.50x = 51,155.91 × 20,302.86
  4. Step 4: Simplify right side
    37,069.50x = 1,038,611,278.90
  5. Step 5: Solve for x
    x = 1,038,611,278.90/37,069.50
  6. Step 6: Final answer
    x = 28,017.95

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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.