Home / 31,772.18-43,847.44-19,200.98

Finding the Fourth Proportional to 31,772.18, 43,847.44 and 19,200.98

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Solution

The fourth proportional to 31,772.18, 43,847.44 and 19,200.98 is: 26,498.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,772.18 : 43,847.44 = 19,200.98 : x
  2. Step 2: Convert to fraction form
    31,772.18/43,847.44 = 19,200.98/x
  3. Step 3: Cross multiply
    31,772.18x = 43,847.44 × 19,200.98
  4. Step 4: Simplify right side
    31,772.18x = 841,913,880.11
  5. Step 5: Solve for x
    x = 841,913,880.11/31,772.18
  6. Step 6: Final answer
    x = 26,498.46

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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.