Home / 51,500.40-71,074.43-28,838.22

Finding the Fourth Proportional to 51,500.40, 71,074.43 and 28,838.22

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Solution

The fourth proportional to 51,500.40, 71,074.43 and 28,838.22 is: 39,798.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,500.40 : 71,074.43 = 28,838.22 : x
  2. Step 2: Convert to fraction form
    51,500.40/71,074.43 = 28,838.22/x
  3. Step 3: Cross multiply
    51,500.40x = 71,074.43 × 28,838.22
  4. Step 4: Simplify right side
    51,500.40x = 2,049,660,048.71
  5. Step 5: Solve for x
    x = 2,049,660,048.71/51,500.40
  6. Step 6: Final answer
    x = 39,798.92

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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.