Home / 30,946.94-42,707.81-17,517.92

Finding the Fourth Proportional to 30,946.94, 42,707.81 and 17,517.92

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Solution

The fourth proportional to 30,946.94, 42,707.81 and 17,517.92 is: 24,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,946.94 : 42,707.81 = 17,517.92 : x
  2. Step 2: Convert to fraction form
    30,946.94/42,707.81 = 17,517.92/x
  3. Step 3: Cross multiply
    30,946.94x = 42,707.81 × 17,517.92
  4. Step 4: Simplify right side
    30,946.94x = 748,151,970.90
  5. Step 5: Solve for x
    x = 748,151,970.90/30,946.94
  6. Step 6: Final answer
    x = 24,175.31

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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.