Home / 30,701.52-46,050.18-11,978.10

Finding the Fourth Proportional to 30,701.52, 46,050.18 and 11,978.10

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Solution

The fourth proportional to 30,701.52, 46,050.18 and 11,978.10 is: 17,966.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,701.52 : 46,050.18 = 11,978.10 : x
  2. Step 2: Convert to fraction form
    30,701.52/46,050.18 = 11,978.10/x
  3. Step 3: Cross multiply
    30,701.52x = 46,050.18 × 11,978.10
  4. Step 4: Simplify right side
    30,701.52x = 551,593,661.06
  5. Step 5: Solve for x
    x = 551,593,661.06/30,701.52
  6. Step 6: Final answer
    x = 17,966.33

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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.