Home / 53,658.14-74,051.67-30,998.07

Finding the Fourth Proportional to 53,658.14, 74,051.67 and 30,998.07

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Solution

The fourth proportional to 53,658.14, 74,051.67 and 30,998.07 is: 42,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,658.14 : 74,051.67 = 30,998.07 : x
  2. Step 2: Convert to fraction form
    53,658.14/74,051.67 = 30,998.07/x
  3. Step 3: Cross multiply
    53,658.14x = 74,051.67 × 30,998.07
  4. Step 4: Simplify right side
    53,658.14x = 2,295,458,850.28
  5. Step 5: Solve for x
    x = 2,295,458,850.28/53,658.14
  6. Step 6: Final answer
    x = 42,779.33

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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.