Home / 55,640.23-83,465.52-18,200.55

Finding the Fourth Proportional to 55,640.23, 83,465.52 and 18,200.55

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Solution

The fourth proportional to 55,640.23, 83,465.52 and 18,200.55 is: 27,302.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,640.23 : 83,465.52 = 18,200.55 : x
  2. Step 2: Convert to fraction form
    55,640.23/83,465.52 = 18,200.55/x
  3. Step 3: Cross multiply
    55,640.23x = 83,465.52 × 18,200.55
  4. Step 4: Simplify right side
    55,640.23x = 1,519,117,952.71
  5. Step 5: Solve for x
    x = 1,519,117,952.71/55,640.23
  6. Step 6: Final answer
    x = 27,302.51

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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.