Home / 30,583.17-42,201.40-17,151.66

Finding the Fourth Proportional to 30,583.17, 42,201.40 and 17,151.66

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Solution

The fourth proportional to 30,583.17, 42,201.40 and 17,151.66 is: 23,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,583.17 : 42,201.40 = 17,151.66 : x
  2. Step 2: Convert to fraction form
    30,583.17/42,201.40 = 17,151.66/x
  3. Step 3: Cross multiply
    30,583.17x = 42,201.40 × 17,151.66
  4. Step 4: Simplify right side
    30,583.17x = 723,824,064.32
  5. Step 5: Solve for x
    x = 723,824,064.32/30,583.17
  6. Step 6: Final answer
    x = 23,667.40

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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.