Home / 35,743.32-49,332.78-20,645.73

Finding the Fourth Proportional to 35,743.32, 49,332.78 and 20,645.73

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Solution

The fourth proportional to 35,743.32, 49,332.78 and 20,645.73 is: 28,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,743.32 : 49,332.78 = 20,645.73 : x
  2. Step 2: Convert to fraction form
    35,743.32/49,332.78 = 20,645.73/x
  3. Step 3: Cross multiply
    35,743.32x = 49,332.78 × 20,645.73
  4. Step 4: Simplify right side
    35,743.32x = 1,018,511,256.03
  5. Step 5: Solve for x
    x = 1,018,511,256.03/35,743.32
  6. Step 6: Final answer
    x = 28,495.15

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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.