Home / 56,238.71-84,330.24-18,785.93

Finding the Fourth Proportional to 56,238.71, 84,330.24 and 18,785.93

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Solution

The fourth proportional to 56,238.71, 84,330.24 and 18,785.93 is: 28,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,238.71 : 84,330.24 = 18,785.93 : x
  2. Step 2: Convert to fraction form
    56,238.71/84,330.24 = 18,785.93/x
  3. Step 3: Cross multiply
    56,238.71x = 84,330.24 × 18,785.93
  4. Step 4: Simplify right side
    56,238.71x = 1,584,221,563.87
  5. Step 5: Solve for x
    x = 1,584,221,563.87/56,238.71
  6. Step 6: Final answer
    x = 28,169.60

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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.