Home / 42,124.80-58,141.44-26,215.68

Finding the Fourth Proportional to 42,124.80, 58,141.44 and 26,215.68

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Solution

The fourth proportional to 42,124.80, 58,141.44 and 26,215.68 is: 36,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,124.80 : 58,141.44 = 26,215.68 : x
  2. Step 2: Convert to fraction form
    42,124.80/58,141.44 = 26,215.68/x
  3. Step 3: Cross multiply
    42,124.80x = 58,141.44 × 26,215.68
  4. Step 4: Simplify right side
    42,124.80x = 1,524,217,385.78
  5. Step 5: Solve for x
    x = 1,524,217,385.78/42,124.80
  6. Step 6: Final answer
    x = 36,183.37

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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.