Home / 57,252.94-85,887.20-19,802.96

Finding the Fourth Proportional to 57,252.94, 85,887.20 and 19,802.96

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Solution

The fourth proportional to 57,252.94, 85,887.20 and 19,802.96 is: 29,707.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,252.94 : 85,887.20 = 19,802.96 : x
  2. Step 2: Convert to fraction form
    57,252.94/85,887.20 = 19,802.96/x
  3. Step 3: Cross multiply
    57,252.94x = 85,887.20 × 19,802.96
  4. Step 4: Simplify right side
    57,252.94x = 1,700,820,786.11
  5. Step 5: Solve for x
    x = 1,700,820,786.11/57,252.94
  6. Step 6: Final answer
    x = 29,707.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.