Home / 35,636.76-49,176.36-19,720.08

Finding the Fourth Proportional to 35,636.76, 49,176.36 and 19,720.08

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Solution

The fourth proportional to 35,636.76, 49,176.36 and 19,720.08 is: 27,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,636.76 : 49,176.36 = 19,720.08 : x
  2. Step 2: Convert to fraction form
    35,636.76/49,176.36 = 19,720.08/x
  3. Step 3: Cross multiply
    35,636.76x = 49,176.36 × 19,720.08
  4. Step 4: Simplify right side
    35,636.76x = 969,761,753.31
  5. Step 5: Solve for x
    x = 969,761,753.31/35,636.76
  6. Step 6: Final answer
    x = 27,212.40

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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.