Home / 30,569.23-42,186-16,957.18

Finding the Fourth Proportional to 30,569.23, 42,186 and 16,957.18

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Solution

The fourth proportional to 30,569.23, 42,186 and 16,957.18 is: 23,401.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,569.23 : 42,186 = 16,957.18 : x
  2. Step 2: Convert to fraction form
    30,569.23/42,186 = 16,957.18/x
  3. Step 3: Cross multiply
    30,569.23x = 42,186 × 16,957.18
  4. Step 4: Simplify right side
    30,569.23x = 715,355,595.48
  5. Step 5: Solve for x
    x = 715,355,595.48/30,569.23
  6. Step 6: Final answer
    x = 23,401.17

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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.