Home / 35,419.84-53,124.52-13,230.44

Finding the Fourth Proportional to 35,419.84, 53,124.52 and 13,230.44

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Solution

The fourth proportional to 35,419.84, 53,124.52 and 13,230.44 is: 19,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,419.84 : 53,124.52 = 13,230.44 : x
  2. Step 2: Convert to fraction form
    35,419.84/53,124.52 = 13,230.44/x
  3. Step 3: Cross multiply
    35,419.84x = 53,124.52 × 13,230.44
  4. Step 4: Simplify right side
    35,419.84x = 702,860,774.39
  5. Step 5: Solve for x
    x = 702,860,774.39/35,419.84
  6. Step 6: Final answer
    x = 19,843.70

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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.