Home / 31,575.21-43,573.57-17,428.05

Finding the Fourth Proportional to 31,575.21, 43,573.57 and 17,428.05

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Solution

The fourth proportional to 31,575.21, 43,573.57 and 17,428.05 is: 24,050.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,575.21 : 43,573.57 = 17,428.05 : x
  2. Step 2: Convert to fraction form
    31,575.21/43,573.57 = 17,428.05/x
  3. Step 3: Cross multiply
    31,575.21x = 43,573.57 × 17,428.05
  4. Step 4: Simplify right side
    31,575.21x = 759,402,269.50
  5. Step 5: Solve for x
    x = 759,402,269.50/31,575.21
  6. Step 6: Final answer
    x = 24,050.58

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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.