Home / 55,856.81-83,758.82-20,293.34

Finding the Fourth Proportional to 55,856.81, 83,758.82 and 20,293.34

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Solution

The fourth proportional to 55,856.81, 83,758.82 and 20,293.34 is: 30,430.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,856.81 : 83,758.82 = 20,293.34 : x
  2. Step 2: Convert to fraction form
    55,856.81/83,758.82 = 20,293.34/x
  3. Step 3: Cross multiply
    55,856.81x = 83,758.82 × 20,293.34
  4. Step 4: Simplify right side
    55,856.81x = 1,699,745,844.20
  5. Step 5: Solve for x
    x = 1,699,745,844.20/55,856.81
  6. Step 6: Final answer
    x = 30,430.41

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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.