Home / 35,431.04-53,179.44-17,913.20

Finding the Fourth Proportional to 35,431.04, 53,179.44 and 17,913.20

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Solution

The fourth proportional to 35,431.04, 53,179.44 and 17,913.20 is: 26,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,431.04 : 53,179.44 = 17,913.20 : x
  2. Step 2: Convert to fraction form
    35,431.04/53,179.44 = 17,913.20/x
  3. Step 3: Cross multiply
    35,431.04x = 53,179.44 × 17,913.20
  4. Step 4: Simplify right side
    35,431.04x = 952,613,944.61
  5. Step 5: Solve for x
    x = 952,613,944.61/35,431.04
  6. Step 6: Final answer
    x = 26,886.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.