Home / 30,573.57-42,192.45-17,146.07

Finding the Fourth Proportional to 30,573.57, 42,192.45 and 17,146.07

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Solution

The fourth proportional to 30,573.57, 42,192.45 and 17,146.07 is: 23,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,573.57 : 42,192.45 = 17,146.07 : x
  2. Step 2: Convert to fraction form
    30,573.57/42,192.45 = 17,146.07/x
  3. Step 3: Cross multiply
    30,573.57x = 42,192.45 × 17,146.07
  4. Step 4: Simplify right side
    30,573.57x = 723,434,490.21
  5. Step 5: Solve for x
    x = 723,434,490.21/30,573.57
  6. Step 6: Final answer
    x = 23,662.09

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Double scale
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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.