Home / 30,946.25-42,703.61-17,519.02

Finding the Fourth Proportional to 30,946.25, 42,703.61 and 17,519.02

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Solution

The fourth proportional to 30,946.25, 42,703.61 and 17,519.02 is: 24,174.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,946.25 : 42,703.61 = 17,519.02 : x
  2. Step 2: Convert to fraction form
    30,946.25/42,703.61 = 17,519.02/x
  3. Step 3: Cross multiply
    30,946.25x = 42,703.61 × 17,519.02
  4. Step 4: Simplify right side
    30,946.25x = 748,125,203.31
  5. Step 5: Solve for x
    x = 748,125,203.31/30,946.25
  6. Step 6: Final answer
    x = 24,174.99

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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.