Home / 51,156.29-70,586.32-28,494.70

Finding the Fourth Proportional to 51,156.29, 70,586.32 and 28,494.70

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Solution

The fourth proportional to 51,156.29, 70,586.32 and 28,494.70 is: 39,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,156.29 : 70,586.32 = 28,494.70 : x
  2. Step 2: Convert to fraction form
    51,156.29/70,586.32 = 28,494.70/x
  3. Step 3: Cross multiply
    51,156.29x = 70,586.32 × 28,494.70
  4. Step 4: Simplify right side
    51,156.29x = 2,011,336,136.36
  5. Step 5: Solve for x
    x = 2,011,336,136.36/51,156.29
  6. Step 6: Final answer
    x = 39,317.48

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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.