Home / 31,750.76-43,818.64-17,603.30

Finding the Fourth Proportional to 31,750.76, 43,818.64 and 17,603.30

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Solution

The fourth proportional to 31,750.76, 43,818.64 and 17,603.30 is: 24,293.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,750.76 : 43,818.64 = 17,603.30 : x
  2. Step 2: Convert to fraction form
    31,750.76/43,818.64 = 17,603.30/x
  3. Step 3: Cross multiply
    31,750.76x = 43,818.64 × 17,603.30
  4. Step 4: Simplify right side
    31,750.76x = 771,352,665.51
  5. Step 5: Solve for x
    x = 771,352,665.51/31,750.76
  6. Step 6: Final answer
    x = 24,293.99

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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.