Home / 30,225.40-41,711.10-16,796.31

Finding the Fourth Proportional to 30,225.40, 41,711.10 and 16,796.31

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Solution

The fourth proportional to 30,225.40, 41,711.10 and 16,796.31 is: 23,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,225.40 : 41,711.10 = 16,796.31 : x
  2. Step 2: Convert to fraction form
    30,225.40/41,711.10 = 16,796.31/x
  3. Step 3: Cross multiply
    30,225.40x = 41,711.10 × 16,796.31
  4. Step 4: Simplify right side
    30,225.40x = 700,592,675.74
  5. Step 5: Solve for x
    x = 700,592,675.74/30,225.40
  6. Step 6: Final answer
    x = 23,178.94

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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.