Home / 44,945.81-67,432.13-13,356.92

Finding the Fourth Proportional to 44,945.81, 67,432.13 and 13,356.92

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Solution

The fourth proportional to 44,945.81, 67,432.13 and 13,356.92 is: 20,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,945.81 : 67,432.13 = 13,356.92 : x
  2. Step 2: Convert to fraction form
    44,945.81/67,432.13 = 13,356.92/x
  3. Step 3: Cross multiply
    44,945.81x = 67,432.13 × 13,356.92
  4. Step 4: Simplify right side
    44,945.81x = 900,685,161.89
  5. Step 5: Solve for x
    x = 900,685,161.89/44,945.81
  6. Step 6: Final answer
    x = 20,039.36

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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.