Home / 39,039.78-53,876.43-22,047.60

Finding the Fourth Proportional to 39,039.78, 53,876.43 and 22,047.60

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Solution

The fourth proportional to 39,039.78, 53,876.43 and 22,047.60 is: 30,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,039.78 : 53,876.43 = 22,047.60 : x
  2. Step 2: Convert to fraction form
    39,039.78/53,876.43 = 22,047.60/x
  3. Step 3: Cross multiply
    39,039.78x = 53,876.43 × 22,047.60
  4. Step 4: Simplify right side
    39,039.78x = 1,187,845,978.07
  5. Step 5: Solve for x
    x = 1,187,845,978.07/39,039.78
  6. Step 6: Final answer
    x = 30,426.55

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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.