Home / 31,093.74-42,909.48-16,946.62

Finding the Fourth Proportional to 31,093.74, 42,909.48 and 16,946.62

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Solution

The fourth proportional to 31,093.74, 42,909.48 and 16,946.62 is: 23,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,093.74 : 42,909.48 = 16,946.62 : x
  2. Step 2: Convert to fraction form
    31,093.74/42,909.48 = 16,946.62/x
  3. Step 3: Cross multiply
    31,093.74x = 42,909.48 × 16,946.62
  4. Step 4: Simplify right side
    31,093.74x = 727,170,544.68
  5. Step 5: Solve for x
    x = 727,170,544.68/31,093.74
  6. Step 6: Final answer
    x = 23,386.40

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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.