Home / 53,658.88-74,052.70-30,998.83

Finding the Fourth Proportional to 53,658.88, 74,052.70 and 30,998.83

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Solution

The fourth proportional to 53,658.88, 74,052.70 and 30,998.83 is: 42,780.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,658.88 : 74,052.70 = 30,998.83 : x
  2. Step 2: Convert to fraction form
    53,658.88/74,052.70 = 30,998.83/x
  3. Step 3: Cross multiply
    53,658.88x = 74,052.70 × 30,998.83
  4. Step 4: Simplify right side
    53,658.88x = 2,295,546,795.71
  5. Step 5: Solve for x
    x = 2,295,546,795.71/53,658.88
  6. Step 6: Final answer
    x = 42,780.37

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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.