Home / 34,772.22-47,985.39-18,856.64

Finding the Fourth Proportional to 34,772.22, 47,985.39 and 18,856.64

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Solution

The fourth proportional to 34,772.22, 47,985.39 and 18,856.64 is: 26,022.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,772.22 : 47,985.39 = 18,856.64 : x
  2. Step 2: Convert to fraction form
    34,772.22/47,985.39 = 18,856.64/x
  3. Step 3: Cross multiply
    34,772.22x = 47,985.39 × 18,856.64
  4. Step 4: Simplify right side
    34,772.22x = 904,842,984.56
  5. Step 5: Solve for x
    x = 904,842,984.56/34,772.22
  6. Step 6: Final answer
    x = 26,022.01

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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.