Home / 39,088.31-53,941.73-21,183.75

Finding the Fourth Proportional to 39,088.31, 53,941.73 and 21,183.75

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Solution

The fourth proportional to 39,088.31, 53,941.73 and 21,183.75 is: 29,233.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,088.31 : 53,941.73 = 21,183.75 : x
  2. Step 2: Convert to fraction form
    39,088.31/53,941.73 = 21,183.75/x
  3. Step 3: Cross multiply
    39,088.31x = 53,941.73 × 21,183.75
  4. Step 4: Simplify right side
    39,088.31x = 1,142,688,016.97
  5. Step 5: Solve for x
    x = 1,142,688,016.97/39,088.31
  6. Step 6: Final answer
    x = 29,233.50

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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.