Home / 37,315.71-51,456.98-28,819.22

Finding the Fourth Proportional to 37,315.71, 51,456.98 and 28,819.22

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Solution

The fourth proportional to 37,315.71, 51,456.98 and 28,819.22 is: 39,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,315.71 : 51,456.98 = 28,819.22 : x
  2. Step 2: Convert to fraction form
    37,315.71/51,456.98 = 28,819.22/x
  3. Step 3: Cross multiply
    37,315.71x = 51,456.98 × 28,819.22
  4. Step 4: Simplify right side
    37,315.71x = 1,482,949,625.77
  5. Step 5: Solve for x
    x = 1,482,949,625.77/37,315.71
  6. Step 6: Final answer
    x = 39,740.62

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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.