Home / 33,010.81-45,554.10-18,862.74

Finding the Fourth Proportional to 33,010.81, 45,554.10 and 18,862.74

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Solution

The fourth proportional to 33,010.81, 45,554.10 and 18,862.74 is: 26,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,010.81 : 45,554.10 = 18,862.74 : x
  2. Step 2: Convert to fraction form
    33,010.81/45,554.10 = 18,862.74/x
  3. Step 3: Cross multiply
    33,010.81x = 45,554.10 × 18,862.74
  4. Step 4: Simplify right side
    33,010.81x = 859,275,073.50
  5. Step 5: Solve for x
    x = 859,275,073.50/33,010.81
  6. Step 6: Final answer
    x = 26,030.11

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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.