Home / 34,772.10-47,985.69-18,856.44

Finding the Fourth Proportional to 34,772.10, 47,985.69 and 18,856.44

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Solution

The fourth proportional to 34,772.10, 47,985.69 and 18,856.44 is: 26,021.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,772.10 : 47,985.69 = 18,856.44 : x
  2. Step 2: Convert to fraction form
    34,772.10/47,985.69 = 18,856.44/x
  3. Step 3: Cross multiply
    34,772.10x = 47,985.69 × 18,856.44
  4. Step 4: Simplify right side
    34,772.10x = 904,839,284.34
  5. Step 5: Solve for x
    x = 904,839,284.34/34,772.10
  6. Step 6: Final answer
    x = 26,021.99

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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.