Home / 38,938.94-58,426.86-20,209.02

Finding the Fourth Proportional to 38,938.94, 58,426.86 and 20,209.02

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Solution

The fourth proportional to 38,938.94, 58,426.86 and 20,209.02 is: 30,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,938.94 : 58,426.86 = 20,209.02 : x
  2. Step 2: Convert to fraction form
    38,938.94/58,426.86 = 20,209.02/x
  3. Step 3: Cross multiply
    38,938.94x = 58,426.86 × 20,209.02
  4. Step 4: Simplify right side
    38,938.94x = 1,180,749,582.28
  5. Step 5: Solve for x
    x = 1,180,749,582.28/38,938.94
  6. Step 6: Final answer
    x = 30,323.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.