Home / 35,122.89-48,470.92-20,017.93

Finding the Fourth Proportional to 35,122.89, 48,470.92 and 20,017.93

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Solution

The fourth proportional to 35,122.89, 48,470.92 and 20,017.93 is: 27,625.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,122.89 : 48,470.92 = 20,017.93 : x
  2. Step 2: Convert to fraction form
    35,122.89/48,470.92 = 20,017.93/x
  3. Step 3: Cross multiply
    35,122.89x = 48,470.92 × 20,017.93
  4. Step 4: Simplify right side
    35,122.89x = 970,287,383.51
  5. Step 5: Solve for x
    x = 970,287,383.51/35,122.89
  6. Step 6: Final answer
    x = 27,625.50

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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.