Home / 30,988.17-46,473.98-13,454.01

Finding the Fourth Proportional to 30,988.17, 46,473.98 and 13,454.01

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Solution

The fourth proportional to 30,988.17, 46,473.98 and 13,454.01 is: 20,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,988.17 : 46,473.98 = 13,454.01 : x
  2. Step 2: Convert to fraction form
    30,988.17/46,473.98 = 13,454.01/x
  3. Step 3: Cross multiply
    30,988.17x = 46,473.98 × 13,454.01
  4. Step 4: Simplify right side
    30,988.17x = 625,261,324.39
  5. Step 5: Solve for x
    x = 625,261,324.39/30,988.17
  6. Step 6: Final answer
    x = 20,177.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.