Home / 31,933.76-44,068.58-18,512.80

Finding the Fourth Proportional to 31,933.76, 44,068.58 and 18,512.80

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Solution

The fourth proportional to 31,933.76, 44,068.58 and 18,512.80 is: 25,547.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,933.76 : 44,068.58 = 18,512.80 : x
  2. Step 2: Convert to fraction form
    31,933.76/44,068.58 = 18,512.80/x
  3. Step 3: Cross multiply
    31,933.76x = 44,068.58 × 18,512.80
  4. Step 4: Simplify right side
    31,933.76x = 815,832,807.82
  5. Step 5: Solve for x
    x = 815,832,807.82/31,933.76
  6. Step 6: Final answer
    x = 25,547.66

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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.