Home / 29,385.56-40,551.36-16,809.50

Finding the Fourth Proportional to 29,385.56, 40,551.36 and 16,809.50

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Solution

The fourth proportional to 29,385.56, 40,551.36 and 16,809.50 is: 23,196.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,385.56 : 40,551.36 = 16,809.50 : x
  2. Step 2: Convert to fraction form
    29,385.56/40,551.36 = 16,809.50/x
  3. Step 3: Cross multiply
    29,385.56x = 40,551.36 × 16,809.50
  4. Step 4: Simplify right side
    29,385.56x = 681,648,085.92
  5. Step 5: Solve for x
    x = 681,648,085.92/29,385.56
  6. Step 6: Final answer
    x = 23,196.70

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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.