Home / 39,895.38-55,054.88-21,746.27

Finding the Fourth Proportional to 39,895.38, 55,054.88 and 21,746.27

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Solution

The fourth proportional to 39,895.38, 55,054.88 and 21,746.27 is: 30,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,895.38 : 55,054.88 = 21,746.27 : x
  2. Step 2: Convert to fraction form
    39,895.38/55,054.88 = 21,746.27/x
  3. Step 3: Cross multiply
    39,895.38x = 55,054.88 × 21,746.27
  4. Step 4: Simplify right side
    39,895.38x = 1,197,238,285.30
  5. Step 5: Solve for x
    x = 1,197,238,285.30/39,895.38
  6. Step 6: Final answer
    x = 30,009.45

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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.