Home / 34,447.80-47,526.30-21,879.84

Finding the Fourth Proportional to 34,447.80, 47,526.30 and 21,879.84

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Solution

The fourth proportional to 34,447.80, 47,526.30 and 21,879.84 is: 30,186.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,447.80 : 47,526.30 = 21,879.84 : x
  2. Step 2: Convert to fraction form
    34,447.80/47,526.30 = 21,879.84/x
  3. Step 3: Cross multiply
    34,447.80x = 47,526.30 × 21,879.84
  4. Step 4: Simplify right side
    34,447.80x = 1,039,867,839.79
  5. Step 5: Solve for x
    x = 1,039,867,839.79/34,447.80
  6. Step 6: Final answer
    x = 30,186.77

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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.