Home / 35,653.93-49,207.57-20,543.69

Finding the Fourth Proportional to 35,653.93, 49,207.57 and 20,543.69

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Solution

The fourth proportional to 35,653.93, 49,207.57 and 20,543.69 is: 28,353.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,653.93 : 49,207.57 = 20,543.69 : x
  2. Step 2: Convert to fraction form
    35,653.93/49,207.57 = 20,543.69/x
  3. Step 3: Cross multiply
    35,653.93x = 49,207.57 × 20,543.69
  4. Step 4: Simplify right side
    35,653.93x = 1,010,905,135.39
  5. Step 5: Solve for x
    x = 1,010,905,135.39/35,653.93
  6. Step 6: Final answer
    x = 28,353.26

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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.