Home / 31,475.52-43,434.95-18,037.44

Finding the Fourth Proportional to 31,475.52, 43,434.95 and 18,037.44

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Solution

The fourth proportional to 31,475.52, 43,434.95 and 18,037.44 is: 24,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475.52 : 43,434.95 = 18,037.44 : x
  2. Step 2: Convert to fraction form
    31,475.52/43,434.95 = 18,037.44/x
  3. Step 3: Cross multiply
    31,475.52x = 43,434.95 × 18,037.44
  4. Step 4: Simplify right side
    31,475.52x = 783,455,214.34
  5. Step 5: Solve for x
    x = 783,455,214.34/31,475.52
  6. Step 6: Final answer
    x = 24,890.94

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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.