Home / 35,766.03-49,345.70-20,656.70

Finding the Fourth Proportional to 35,766.03, 49,345.70 and 20,656.70

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Solution

The fourth proportional to 35,766.03, 49,345.70 and 20,656.70 is: 28,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,766.03 : 49,345.70 = 20,656.70 : x
  2. Step 2: Convert to fraction form
    35,766.03/49,345.70 = 20,656.70/x
  3. Step 3: Cross multiply
    35,766.03x = 49,345.70 × 20,656.70
  4. Step 4: Simplify right side
    35,766.03x = 1,019,318,971.18
  5. Step 5: Solve for x
    x = 1,019,318,971.18/35,766.03
  6. Step 6: Final answer
    x = 28,499.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.