Home / 39,929.64-55,102.80-22,935

Finding the Fourth Proportional to 39,929.64, 55,102.80 and 22,935

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Solution

The fourth proportional to 39,929.64, 55,102.80 and 22,935 is: 31,650.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929.64 : 55,102.80 = 22,935 : x
  2. Step 2: Convert to fraction form
    39,929.64/55,102.80 = 22,935/x
  3. Step 3: Cross multiply
    39,929.64x = 55,102.80 × 22,935
  4. Step 4: Simplify right side
    39,929.64x = 1,263,782,718
  5. Step 5: Solve for x
    x = 1,263,782,718/39,929.64
  6. Step 6: Final answer
    x = 31,650.24

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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.