Home / 30,893.24-42,632.73-16,746.12

Finding the Fourth Proportional to 30,893.24, 42,632.73 and 16,746.12

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Solution

The fourth proportional to 30,893.24, 42,632.73 and 16,746.12 is: 23,109.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,893.24 : 42,632.73 = 16,746.12 : x
  2. Step 2: Convert to fraction form
    30,893.24/42,632.73 = 16,746.12/x
  3. Step 3: Cross multiply
    30,893.24x = 42,632.73 × 16,746.12
  4. Step 4: Simplify right side
    30,893.24x = 713,932,812.51
  5. Step 5: Solve for x
    x = 713,932,812.51/30,893.24
  6. Step 6: Final answer
    x = 23,109.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.