Home / 35,553.60-53,278.56-19,975.68

Finding the Fourth Proportional to 35,553.60, 53,278.56 and 19,975.68

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Solution

The fourth proportional to 35,553.60, 53,278.56 and 19,975.68 is: 29,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,553.60 : 53,278.56 = 19,975.68 : x
  2. Step 2: Convert to fraction form
    35,553.60/53,278.56 = 19,975.68/x
  3. Step 3: Cross multiply
    35,553.60x = 53,278.56 × 19,975.68
  4. Step 4: Simplify right side
    35,553.60x = 1,064,275,465.42
  5. Step 5: Solve for x
    x = 1,064,275,465.42/35,553.60
  6. Step 6: Final answer
    x = 29,934.39

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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.