Home / 49,686.48-74,557.53-38,615.40

Finding the Fourth Proportional to 49,686.48, 74,557.53 and 38,615.40

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Solution

The fourth proportional to 49,686.48, 74,557.53 and 38,615.40 is: 57,944.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,686.48 : 74,557.53 = 38,615.40 : x
  2. Step 2: Convert to fraction form
    49,686.48/74,557.53 = 38,615.40/x
  3. Step 3: Cross multiply
    49,686.48x = 74,557.53 × 38,615.40
  4. Step 4: Simplify right side
    49,686.48x = 2,879,068,843.96
  5. Step 5: Solve for x
    x = 2,879,068,843.96/49,686.48
  6. Step 6: Final answer
    x = 57,944.71

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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.