Home / 31,674.15-47,511.36-17,655.48

Finding the Fourth Proportional to 31,674.15, 47,511.36 and 17,655.48

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Solution

The fourth proportional to 31,674.15, 47,511.36 and 17,655.48 is: 26,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,674.15 : 47,511.36 = 17,655.48 : x
  2. Step 2: Convert to fraction form
    31,674.15/47,511.36 = 17,655.48/x
  3. Step 3: Cross multiply
    31,674.15x = 47,511.36 × 17,655.48
  4. Step 4: Simplify right side
    31,674.15x = 838,835,866.25
  5. Step 5: Solve for x
    x = 838,835,866.25/31,674.15
  6. Step 6: Final answer
    x = 26,483.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.