Home / 30,553.29-45,822.51-12,774.33

Finding the Fourth Proportional to 30,553.29, 45,822.51 and 12,774.33

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Solution

The fourth proportional to 30,553.29, 45,822.51 and 12,774.33 is: 19,158.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,553.29 : 45,822.51 = 12,774.33 : x
  2. Step 2: Convert to fraction form
    30,553.29/45,822.51 = 12,774.33/x
  3. Step 3: Cross multiply
    30,553.29x = 45,822.51 × 12,774.33
  4. Step 4: Simplify right side
    30,553.29x = 585,351,864.17
  5. Step 5: Solve for x
    x = 585,351,864.17/30,553.29
  6. Step 6: Final answer
    x = 19,158.39

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1.5x scale

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.