Home / 35,306.30-48,710.77-20,188.19

Finding the Fourth Proportional to 35,306.30, 48,710.77 and 20,188.19

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Solution

The fourth proportional to 35,306.30, 48,710.77 and 20,188.19 is: 27,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,306.30 : 48,710.77 = 20,188.19 : x
  2. Step 2: Convert to fraction form
    35,306.30/48,710.77 = 20,188.19/x
  3. Step 3: Cross multiply
    35,306.30x = 48,710.77 × 20,188.19
  4. Step 4: Simplify right side
    35,306.30x = 983,382,351.11
  5. Step 5: Solve for x
    x = 983,382,351.11/35,306.30
  6. Step 6: Final answer
    x = 27,852.88

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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.