Home / 39,628.44-59,442.66-21,160.44

Finding the Fourth Proportional to 39,628.44, 59,442.66 and 21,160.44

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Solution

The fourth proportional to 39,628.44, 59,442.66 and 21,160.44 is: 31,740.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,628.44 : 59,442.66 = 21,160.44 : x
  2. Step 2: Convert to fraction form
    39,628.44/59,442.66 = 21,160.44/x
  3. Step 3: Cross multiply
    39,628.44x = 59,442.66 × 21,160.44
  4. Step 4: Simplify right side
    39,628.44x = 1,257,832,840.37
  5. Step 5: Solve for x
    x = 1,257,832,840.37/39,628.44
  6. Step 6: Final answer
    x = 31,740.66

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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.