Home / 55,643.24-83,477.58-18,707.24

Finding the Fourth Proportional to 55,643.24, 83,477.58 and 18,707.24

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Solution

The fourth proportional to 55,643.24, 83,477.58 and 18,707.24 is: 28,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,643.24 : 83,477.58 = 18,707.24 : x
  2. Step 2: Convert to fraction form
    55,643.24/83,477.58 = 18,707.24/x
  3. Step 3: Cross multiply
    55,643.24x = 83,477.58 × 18,707.24
  4. Step 4: Simplify right side
    55,643.24x = 1,561,635,123.68
  5. Step 5: Solve for x
    x = 1,561,635,123.68/55,643.24
  6. Step 6: Final answer
    x = 28,065.14

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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.