Home / 33,886.50-46,764.96-20,457.45

Finding the Fourth Proportional to 33,886.50, 46,764.96 and 20,457.45

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Solution

The fourth proportional to 33,886.50, 46,764.96 and 20,457.45 is: 28,232.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,886.50 : 46,764.96 = 20,457.45 : x
  2. Step 2: Convert to fraction form
    33,886.50/46,764.96 = 20,457.45/x
  3. Step 3: Cross multiply
    33,886.50x = 46,764.96 × 20,457.45
  4. Step 4: Simplify right side
    33,886.50x = 956,691,830.95
  5. Step 5: Solve for x
    x = 956,691,830.95/33,886.50
  6. Step 6: Final answer
    x = 28,232.24

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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.