Home / 61,338.13-92,007.07-19,221.43

Finding the Fourth Proportional to 61,338.13, 92,007.07 and 19,221.43

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Solution

The fourth proportional to 61,338.13, 92,007.07 and 19,221.43 is: 28,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,338.13 : 92,007.07 = 19,221.43 : x
  2. Step 2: Convert to fraction form
    61,338.13/92,007.07 = 19,221.43/x
  3. Step 3: Cross multiply
    61,338.13x = 92,007.07 × 19,221.43
  4. Step 4: Simplify right side
    61,338.13x = 1,768,507,455.51
  5. Step 5: Solve for x
    x = 1,768,507,455.51/61,338.13
  6. Step 6: Final answer
    x = 28,832.11

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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.