Home / 30,574.07-42,193.14-17,146.57

Finding the Fourth Proportional to 30,574.07, 42,193.14 and 17,146.57

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Solution

The fourth proportional to 30,574.07, 42,193.14 and 17,146.57 is: 23,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,574.07 : 42,193.14 = 17,146.57 : x
  2. Step 2: Convert to fraction form
    30,574.07/42,193.14 = 17,146.57/x
  3. Step 3: Cross multiply
    30,574.07x = 42,193.14 × 17,146.57
  4. Step 4: Simplify right side
    30,574.07x = 723,467,417.56
  5. Step 5: Solve for x
    x = 723,467,417.56/30,574.07
  6. Step 6: Final answer
    x = 23,662.78

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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.