Home / 30,777.09-42,473.33-17,348.91

Finding the Fourth Proportional to 30,777.09, 42,473.33 and 17,348.91

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Solution

The fourth proportional to 30,777.09, 42,473.33 and 17,348.91 is: 23,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,777.09 : 42,473.33 = 17,348.91 : x
  2. Step 2: Convert to fraction form
    30,777.09/42,473.33 = 17,348.91/x
  3. Step 3: Cross multiply
    30,777.09x = 42,473.33 × 17,348.91
  4. Step 4: Simplify right side
    30,777.09x = 736,865,979.57
  5. Step 5: Solve for x
    x = 736,865,979.57/30,777.09
  6. Step 6: Final answer
    x = 23,942.03

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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.