Home / 35,746.42-49,335.16-20,636.06

Finding the Fourth Proportional to 35,746.42, 49,335.16 and 20,636.06

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Solution

The fourth proportional to 35,746.42, 49,335.16 and 20,636.06 is: 28,480.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,746.42 : 49,335.16 = 20,636.06 : x
  2. Step 2: Convert to fraction form
    35,746.42/49,335.16 = 20,636.06/x
  3. Step 3: Cross multiply
    35,746.42x = 49,335.16 × 20,636.06
  4. Step 4: Simplify right side
    35,746.42x = 1,018,083,321.87
  5. Step 5: Solve for x
    x = 1,018,083,321.87/35,746.42
  6. Step 6: Final answer
    x = 28,480.71

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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.