Home / 35,742.27-49,326.54-20,637.69

Finding the Fourth Proportional to 35,742.27, 49,326.54 and 20,637.69

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Solution

The fourth proportional to 35,742.27, 49,326.54 and 20,637.69 is: 28,481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,742.27 : 49,326.54 = 20,637.69 : x
  2. Step 2: Convert to fraction form
    35,742.27/49,326.54 = 20,637.69/x
  3. Step 3: Cross multiply
    35,742.27x = 49,326.54 × 20,637.69
  4. Step 4: Simplify right side
    35,742.27x = 1,017,985,841.29
  5. Step 5: Solve for x
    x = 1,017,985,841.29/35,742.27
  6. Step 6: Final answer
    x = 28,481.29

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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.