Home / 58,771.58-88,159.38-19,331.78

Finding the Fourth Proportional to 58,771.58, 88,159.38 and 19,331.78

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Solution

The fourth proportional to 58,771.58, 88,159.38 and 19,331.78 is: 28,998.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,771.58 : 88,159.38 = 19,331.78 : x
  2. Step 2: Convert to fraction form
    58,771.58/88,159.38 = 19,331.78/x
  3. Step 3: Cross multiply
    58,771.58x = 88,159.38 × 19,331.78
  4. Step 4: Simplify right side
    58,771.58x = 1,704,277,739.10
  5. Step 5: Solve for x
    x = 1,704,277,739.10/58,771.58
  6. Step 6: Final answer
    x = 28,998.33

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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.