Home / 30,784.66-42,480.27-17,359.22

Finding the Fourth Proportional to 30,784.66, 42,480.27 and 17,359.22

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Solution

The fourth proportional to 30,784.66, 42,480.27 and 17,359.22 is: 23,954.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,784.66 : 42,480.27 = 17,359.22 : x
  2. Step 2: Convert to fraction form
    30,784.66/42,480.27 = 17,359.22/x
  3. Step 3: Cross multiply
    30,784.66x = 42,480.27 × 17,359.22
  4. Step 4: Simplify right side
    30,784.66x = 737,424,458.79
  5. Step 5: Solve for x
    x = 737,424,458.79/30,784.66
  6. Step 6: Final answer
    x = 23,954.28

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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.