Home / 39,086.74-53,943.35-22,316.50

Finding the Fourth Proportional to 39,086.74, 53,943.35 and 22,316.50

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Solution

The fourth proportional to 39,086.74, 53,943.35 and 22,316.50 is: 30,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,086.74 : 53,943.35 = 22,316.50 : x
  2. Step 2: Convert to fraction form
    39,086.74/53,943.35 = 22,316.50/x
  3. Step 3: Cross multiply
    39,086.74x = 53,943.35 × 22,316.50
  4. Step 4: Simplify right side
    39,086.74x = 1,203,826,770.28
  5. Step 5: Solve for x
    x = 1,203,826,770.28/39,086.74
  6. Step 6: Final answer
    x = 30,798.85

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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.