Home / 33,116.74-45,699.25-18,970.49

Finding the Fourth Proportional to 33,116.74, 45,699.25 and 18,970.49

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Solution

The fourth proportional to 33,116.74, 45,699.25 and 18,970.49 is: 26,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,116.74 : 45,699.25 = 18,970.49 : x
  2. Step 2: Convert to fraction form
    33,116.74/45,699.25 = 18,970.49/x
  3. Step 3: Cross multiply
    33,116.74x = 45,699.25 × 18,970.49
  4. Step 4: Simplify right side
    33,116.74x = 866,937,165.13
  5. Step 5: Solve for x
    x = 866,937,165.13/33,116.74
  6. Step 6: Final answer
    x = 26,178.22

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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.