Home / 55,657.16-83,477.69-18,218.73

Finding the Fourth Proportional to 55,657.16, 83,477.69 and 18,218.73

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Solution

The fourth proportional to 55,657.16, 83,477.69 and 18,218.73 is: 27,325.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,657.16 : 83,477.69 = 18,218.73 : x
  2. Step 2: Convert to fraction form
    55,657.16/83,477.69 = 18,218.73/x
  3. Step 3: Cross multiply
    55,657.16x = 83,477.69 × 18,218.73
  4. Step 4: Simplify right side
    55,657.16x = 1,520,857,495.13
  5. Step 5: Solve for x
    x = 1,520,857,495.13/55,657.16
  6. Step 6: Final answer
    x = 27,325.46

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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.