Home / 45,255.46-62,492.21-28,288.70

Finding the Fourth Proportional to 45,255.46, 62,492.21 and 28,288.70

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Solution

The fourth proportional to 45,255.46, 62,492.21 and 28,288.70 is: 39,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,255.46 : 62,492.21 = 28,288.70 : x
  2. Step 2: Convert to fraction form
    45,255.46/62,492.21 = 28,288.70/x
  3. Step 3: Cross multiply
    45,255.46x = 62,492.21 × 28,288.70
  4. Step 4: Simplify right side
    45,255.46x = 1,767,823,381.03
  5. Step 5: Solve for x
    x = 1,767,823,381.03/45,255.46
  6. Step 6: Final answer
    x = 39,063.21

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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.