Home / 39,963.59-55,149.63-22,058.47

Finding the Fourth Proportional to 39,963.59, 55,149.63 and 22,058.47

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Solution

The fourth proportional to 39,963.59, 55,149.63 and 22,058.47 is: 30,440.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,963.59 : 55,149.63 = 22,058.47 : x
  2. Step 2: Convert to fraction form
    39,963.59/55,149.63 = 22,058.47/x
  3. Step 3: Cross multiply
    39,963.59x = 55,149.63 × 22,058.47
  4. Step 4: Simplify right side
    39,963.59x = 1,216,516,458.87
  5. Step 5: Solve for x
    x = 1,216,516,458.87/39,963.59
  6. Step 6: Final answer
    x = 30,440.62

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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.