Home / 33,790.47-46,630.11-18,683.78

Finding the Fourth Proportional to 33,790.47, 46,630.11 and 18,683.78

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Solution

The fourth proportional to 33,790.47, 46,630.11 and 18,683.78 is: 25,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,790.47 : 46,630.11 = 18,683.78 : x
  2. Step 2: Convert to fraction form
    33,790.47/46,630.11 = 18,683.78/x
  3. Step 3: Cross multiply
    33,790.47x = 46,630.11 × 18,683.78
  4. Step 4: Simplify right side
    33,790.47x = 871,226,483.47
  5. Step 5: Solve for x
    x = 871,226,483.47/33,790.47
  6. Step 6: Final answer
    x = 25,783.20

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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.