Home / 30,307.06-41,823.64-16,878.48

Finding the Fourth Proportional to 30,307.06, 41,823.64 and 16,878.48

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Solution

The fourth proportional to 30,307.06, 41,823.64 and 16,878.48 is: 23,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,307.06 : 41,823.64 = 16,878.48 : x
  2. Step 2: Convert to fraction form
    30,307.06/41,823.64 = 16,878.48/x
  3. Step 3: Cross multiply
    30,307.06x = 41,823.64 × 16,878.48
  4. Step 4: Simplify right side
    30,307.06x = 705,919,471.27
  5. Step 5: Solve for x
    x = 705,919,471.27/30,307.06
  6. Step 6: Final answer
    x = 23,292.25

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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.