Home / 37,686.51-52,007.17-20,691.04

Finding the Fourth Proportional to 37,686.51, 52,007.17 and 20,691.04

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Solution

The fourth proportional to 37,686.51, 52,007.17 and 20,691.04 is: 28,553.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,686.51 : 52,007.17 = 20,691.04 : x
  2. Step 2: Convert to fraction form
    37,686.51/52,007.17 = 20,691.04/x
  3. Step 3: Cross multiply
    37,686.51x = 52,007.17 × 20,691.04
  4. Step 4: Simplify right side
    37,686.51x = 1,076,082,434.76
  5. Step 5: Solve for x
    x = 1,076,082,434.76/37,686.51
  6. Step 6: Final answer
    x = 28,553.52

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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.