Home / 37,685.47-52,006.17-20,690.46

Finding the Fourth Proportional to 37,685.47, 52,006.17 and 20,690.46

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Solution

The fourth proportional to 37,685.47, 52,006.17 and 20,690.46 is: 28,552.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,685.47 : 52,006.17 = 20,690.46 : x
  2. Step 2: Convert to fraction form
    37,685.47/52,006.17 = 20,690.46/x
  3. Step 3: Cross multiply
    37,685.47x = 52,006.17 × 20,690.46
  4. Step 4: Simplify right side
    37,685.47x = 1,076,031,216.66
  5. Step 5: Solve for x
    x = 1,076,031,216.66/37,685.47
  6. Step 6: Final answer
    x = 28,552.95

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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.