Home / 39,785.07-54,896.29-22,557.52

Finding the Fourth Proportional to 39,785.07, 54,896.29 and 22,557.52

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Solution

The fourth proportional to 39,785.07, 54,896.29 and 22,557.52 is: 31,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,785.07 : 54,896.29 = 22,557.52 : x
  2. Step 2: Convert to fraction form
    39,785.07/54,896.29 = 22,557.52/x
  3. Step 3: Cross multiply
    39,785.07x = 54,896.29 × 22,557.52
  4. Step 4: Simplify right side
    39,785.07x = 1,238,324,159.60
  5. Step 5: Solve for x
    x = 1,238,324,159.60/39,785.07
  6. Step 6: Final answer
    x = 31,125.35

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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.