Home / 55,859.72-83,763.18-20,296.24

Finding the Fourth Proportional to 55,859.72, 83,763.18 and 20,296.24

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Solution

The fourth proportional to 55,859.72, 83,763.18 and 20,296.24 is: 30,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,859.72 : 83,763.18 = 20,296.24 : x
  2. Step 2: Convert to fraction form
    55,859.72/83,763.18 = 20,296.24/x
  3. Step 3: Cross multiply
    55,859.72x = 83,763.18 × 20,296.24
  4. Step 4: Simplify right side
    55,859.72x = 1,700,077,866.20
  5. Step 5: Solve for x
    x = 1,700,077,866.20/55,859.72
  6. Step 6: Final answer
    x = 30,434.78

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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.