Home / 30,431.17-41,994.23-17,002.51

Finding the Fourth Proportional to 30,431.17, 41,994.23 and 17,002.51

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Solution

The fourth proportional to 30,431.17, 41,994.23 and 17,002.51 is: 23,463.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,431.17 : 41,994.23 = 17,002.51 : x
  2. Step 2: Convert to fraction form
    30,431.17/41,994.23 = 17,002.51/x
  3. Step 3: Cross multiply
    30,431.17x = 41,994.23 × 17,002.51
  4. Step 4: Simplify right side
    30,431.17x = 714,007,292.89
  5. Step 5: Solve for x
    x = 714,007,292.89/30,431.17
  6. Step 6: Final answer
    x = 23,463.03

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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.