Home / 53,982.68-74,587.47-38,845.40

Finding the Fourth Proportional to 53,982.68, 74,587.47 and 38,845.40

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Solution

The fourth proportional to 53,982.68, 74,587.47 and 38,845.40 is: 53,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,982.68 : 74,587.47 = 38,845.40 : x
  2. Step 2: Convert to fraction form
    53,982.68/74,587.47 = 38,845.40/x
  3. Step 3: Cross multiply
    53,982.68x = 74,587.47 × 38,845.40
  4. Step 4: Simplify right side
    53,982.68x = 2,897,380,107.14
  5. Step 5: Solve for x
    x = 2,897,380,107.14/53,982.68
  6. Step 6: Final answer
    x = 53,672.40

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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.