Home / 55,673.44-83,501.28-20,605.12

Finding the Fourth Proportional to 55,673.44, 83,501.28 and 20,605.12

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Solution

The fourth proportional to 55,673.44, 83,501.28 and 20,605.12 is: 30,904.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,673.44 : 83,501.28 = 20,605.12 : x
  2. Step 2: Convert to fraction form
    55,673.44/83,501.28 = 20,605.12/x
  3. Step 3: Cross multiply
    55,673.44x = 83,501.28 × 20,605.12
  4. Step 4: Simplify right side
    55,673.44x = 1,720,553,894.55
  5. Step 5: Solve for x
    x = 1,720,553,894.55/55,673.44
  6. Step 6: Final answer
    x = 30,904.39

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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.