Home / 29,448.15-40,639.50-16,875.33

Finding the Fourth Proportional to 29,448.15, 40,639.50 and 16,875.33

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Solution

The fourth proportional to 29,448.15, 40,639.50 and 16,875.33 is: 23,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,448.15 : 40,639.50 = 16,875.33 : x
  2. Step 2: Convert to fraction form
    29,448.15/40,639.50 = 16,875.33/x
  3. Step 3: Cross multiply
    29,448.15x = 40,639.50 × 16,875.33
  4. Step 4: Simplify right side
    29,448.15x = 685,804,973.54
  5. Step 5: Solve for x
    x = 685,804,973.54/29,448.15
  6. Step 6: Final answer
    x = 23,288.56

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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.