Home / 31,699.14-47,503.35-17,818.98

Finding the Fourth Proportional to 31,699.14, 47,503.35 and 17,818.98

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Solution

The fourth proportional to 31,699.14, 47,503.35 and 17,818.98 is: 26,702.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,699.14 : 47,503.35 = 17,818.98 : x
  2. Step 2: Convert to fraction form
    31,699.14/47,503.35 = 17,818.98/x
  3. Step 3: Cross multiply
    31,699.14x = 47,503.35 × 17,818.98
  4. Step 4: Simplify right side
    31,699.14x = 846,461,243.58
  5. Step 5: Solve for x
    x = 846,461,243.58/31,699.14
  6. Step 6: Final answer
    x = 26,702.97

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1.5x scale

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.