Home / 33,045.49-45,589.80-18,890.74

Finding the Fourth Proportional to 33,045.49, 45,589.80 and 18,890.74

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Solution

The fourth proportional to 33,045.49, 45,589.80 and 18,890.74 is: 26,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,045.49 : 45,589.80 = 18,890.74 : x
  2. Step 2: Convert to fraction form
    33,045.49/45,589.80 = 18,890.74/x
  3. Step 3: Cross multiply
    33,045.49x = 45,589.80 × 18,890.74
  4. Step 4: Simplify right side
    33,045.49x = 861,225,058.45
  5. Step 5: Solve for x
    x = 861,225,058.45/33,045.49
  6. Step 6: Final answer
    x = 26,061.80

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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.