Home / 42,115.36-58,100.88-26,980.96

Finding the Fourth Proportional to 42,115.36, 58,100.88 and 26,980.96

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Solution

The fourth proportional to 42,115.36, 58,100.88 and 26,980.96 is: 37,221.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,115.36 : 58,100.88 = 26,980.96 : x
  2. Step 2: Convert to fraction form
    42,115.36/58,100.88 = 26,980.96/x
  3. Step 3: Cross multiply
    42,115.36x = 58,100.88 × 26,980.96
  4. Step 4: Simplify right side
    42,115.36x = 1,567,617,519.24
  5. Step 5: Solve for x
    x = 1,567,617,519.24/42,115.36
  6. Step 6: Final answer
    x = 37,221.99

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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.