Home / 37,685.76-52,006.13-20,690.29

Finding the Fourth Proportional to 37,685.76, 52,006.13 and 20,690.29

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Solution

The fourth proportional to 37,685.76, 52,006.13 and 20,690.29 is: 28,552.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,685.76 : 52,006.13 = 20,690.29 : x
  2. Step 2: Convert to fraction form
    37,685.76/52,006.13 = 20,690.29/x
  3. Step 3: Cross multiply
    37,685.76x = 52,006.13 × 20,690.29
  4. Step 4: Simplify right side
    37,685.76x = 1,076,021,911.48
  5. Step 5: Solve for x
    x = 1,076,021,911.48/37,685.76
  6. Step 6: Final answer
    x = 28,552.48

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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.