Home / 33,116.99-45,699.59-18,970.74

Finding the Fourth Proportional to 33,116.99, 45,699.59 and 18,970.74

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Solution

The fourth proportional to 33,116.99, 45,699.59 and 18,970.74 is: 26,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,116.99 : 45,699.59 = 18,970.74 : x
  2. Step 2: Convert to fraction form
    33,116.99/45,699.59 = 18,970.74/x
  3. Step 3: Cross multiply
    33,116.99x = 45,699.59 × 18,970.74
  4. Step 4: Simplify right side
    33,116.99x = 866,955,040.00
  5. Step 5: Solve for x
    x = 866,955,040.00/33,116.99
  6. Step 6: Final answer
    x = 26,178.56

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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.