Home / 30,631.43-42,269.45-17,202.34

Finding the Fourth Proportional to 30,631.43, 42,269.45 and 17,202.34

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Solution

The fourth proportional to 30,631.43, 42,269.45 and 17,202.34 is: 23,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,631.43 : 42,269.45 = 17,202.34 : x
  2. Step 2: Convert to fraction form
    30,631.43/42,269.45 = 17,202.34/x
  3. Step 3: Cross multiply
    30,631.43x = 42,269.45 × 17,202.34
  4. Step 4: Simplify right side
    30,631.43x = 727,133,417.34
  5. Step 5: Solve for x
    x = 727,133,417.34/30,631.43
  6. Step 6: Final answer
    x = 23,738.15

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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.