Home / 55,911.23-83,905.73-36,140.75

Finding the Fourth Proportional to 55,911.23, 83,905.73 and 36,140.75

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Solution

The fourth proportional to 55,911.23, 83,905.73 and 36,140.75 is: 54,236.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,911.23 : 83,905.73 = 36,140.75 : x
  2. Step 2: Convert to fraction form
    55,911.23/83,905.73 = 36,140.75/x
  3. Step 3: Cross multiply
    55,911.23x = 83,905.73 × 36,140.75
  4. Step 4: Simplify right side
    55,911.23x = 3,032,416,011.50
  5. Step 5: Solve for x
    x = 3,032,416,011.50/55,911.23
  6. Step 6: Final answer
    x = 54,236.26

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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.