Home / 43,021.72-59,337.12-31,124.44

Finding the Fourth Proportional to 43,021.72, 59,337.12 and 31,124.44

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Solution

The fourth proportional to 43,021.72, 59,337.12 and 31,124.44 is: 42,927.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,021.72 : 59,337.12 = 31,124.44 : x
  2. Step 2: Convert to fraction form
    43,021.72/59,337.12 = 31,124.44/x
  3. Step 3: Cross multiply
    43,021.72x = 59,337.12 × 31,124.44
  4. Step 4: Simplify right side
    43,021.72x = 1,846,834,631.21
  5. Step 5: Solve for x
    x = 1,846,834,631.21/43,021.72
  6. Step 6: Final answer
    x = 42,927.96

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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.