Home / 30,712.48-46,029.83-14,921.12

Finding the Fourth Proportional to 30,712.48, 46,029.83 and 14,921.12

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Solution

The fourth proportional to 30,712.48, 46,029.83 and 14,921.12 is: 22,362.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,712.48 : 46,029.83 = 14,921.12 : x
  2. Step 2: Convert to fraction form
    30,712.48/46,029.83 = 14,921.12/x
  3. Step 3: Cross multiply
    30,712.48x = 46,029.83 × 14,921.12
  4. Step 4: Simplify right side
    30,712.48x = 686,816,542.40
  5. Step 5: Solve for x
    x = 686,816,542.40/30,712.48
  6. Step 6: Final answer
    x = 22,362.79

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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.