Home / 29,307.12-40,442.40-16,729.44

Finding the Fourth Proportional to 29,307.12, 40,442.40 and 16,729.44

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Solution

The fourth proportional to 29,307.12, 40,442.40 and 16,729.44 is: 23,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,307.12 : 40,442.40 = 16,729.44 : x
  2. Step 2: Convert to fraction form
    29,307.12/40,442.40 = 16,729.44/x
  3. Step 3: Cross multiply
    29,307.12x = 40,442.40 × 16,729.44
  4. Step 4: Simplify right side
    29,307.12x = 676,578,704.26
  5. Step 5: Solve for x
    x = 676,578,704.26/29,307.12
  6. Step 6: Final answer
    x = 23,085.81

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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.