Home / 39,092.43-53,946.95-21,187.29

Finding the Fourth Proportional to 39,092.43, 53,946.95 and 21,187.29

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Solution

The fourth proportional to 39,092.43, 53,946.95 and 21,187.29 is: 29,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,092.43 : 53,946.95 = 21,187.29 : x
  2. Step 2: Convert to fraction form
    39,092.43/53,946.95 = 21,187.29/x
  3. Step 3: Cross multiply
    39,092.43x = 53,946.95 × 21,187.29
  4. Step 4: Simplify right side
    39,092.43x = 1,142,989,568.33
  5. Step 5: Solve for x
    x = 1,142,989,568.33/39,092.43
  6. Step 6: Final answer
    x = 29,238.13

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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.