Home / 37,690.77-52,014.25-20,696.11

Finding the Fourth Proportional to 37,690.77, 52,014.25 and 20,696.11

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Solution

The fourth proportional to 37,690.77, 52,014.25 and 20,696.11 is: 28,561.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,690.77 : 52,014.25 = 20,696.11 : x
  2. Step 2: Convert to fraction form
    37,690.77/52,014.25 = 20,696.11/x
  3. Step 3: Cross multiply
    37,690.77x = 52,014.25 × 20,696.11
  4. Step 4: Simplify right side
    37,690.77x = 1,076,492,379.50
  5. Step 5: Solve for x
    x = 1,076,492,379.50/37,690.77
  6. Step 6: Final answer
    x = 28,561.17

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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.