Home / 37,685.40-52,006.64-20,690.32

Finding the Fourth Proportional to 37,685.40, 52,006.64 and 20,690.32

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Solution

The fourth proportional to 37,685.40, 52,006.64 and 20,690.32 is: 28,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,685.40 : 52,006.64 = 20,690.32 : x
  2. Step 2: Convert to fraction form
    37,685.40/52,006.64 = 20,690.32/x
  3. Step 3: Cross multiply
    37,685.40x = 52,006.64 × 20,690.32
  4. Step 4: Simplify right side
    37,685.40x = 1,076,034,023.72
  5. Step 5: Solve for x
    x = 1,076,034,023.72/37,685.40
  6. Step 6: Final answer
    x = 28,553.07

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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.