Home / 33,077.50-45,646.95-18,173.50

Finding the Fourth Proportional to 33,077.50, 45,646.95 and 18,173.50

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Solution

The fourth proportional to 33,077.50, 45,646.95 and 18,173.50 is: 25,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,077.50 : 45,646.95 = 18,173.50 : x
  2. Step 2: Convert to fraction form
    33,077.50/45,646.95 = 18,173.50/x
  3. Step 3: Cross multiply
    33,077.50x = 45,646.95 × 18,173.50
  4. Step 4: Simplify right side
    33,077.50x = 829,564,845.83
  5. Step 5: Solve for x
    x = 829,564,845.83/33,077.50
  6. Step 6: Final answer
    x = 25,079.43

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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.