Home / 33,117.24-45,699.94-18,970.99

Finding the Fourth Proportional to 33,117.24, 45,699.94 and 18,970.99

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Solution

The fourth proportional to 33,117.24, 45,699.94 and 18,970.99 is: 26,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,117.24 : 45,699.94 = 18,970.99 : x
  2. Step 2: Convert to fraction form
    33,117.24/45,699.94 = 18,970.99/x
  3. Step 3: Cross multiply
    33,117.24x = 45,699.94 × 18,970.99
  4. Step 4: Simplify right side
    33,117.24x = 866,973,104.74
  5. Step 5: Solve for x
    x = 866,973,104.74/33,117.24
  6. Step 6: Final answer
    x = 26,178.91

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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.