Home / 31,909.69-44,039.49-18,303.04

Finding the Fourth Proportional to 31,909.69, 44,039.49 and 18,303.04

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Solution

The fourth proportional to 31,909.69, 44,039.49 and 18,303.04 is: 25,260.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,909.69 : 44,039.49 = 18,303.04 : x
  2. Step 2: Convert to fraction form
    31,909.69/44,039.49 = 18,303.04/x
  3. Step 3: Cross multiply
    31,909.69x = 44,039.49 × 18,303.04
  4. Step 4: Simplify right side
    31,909.69x = 806,056,547.05
  5. Step 5: Solve for x
    x = 806,056,547.05/31,909.69
  6. Step 6: Final answer
    x = 25,260.56

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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.