Home / 35,685.75-49,253.23-20,588.16

Finding the Fourth Proportional to 35,685.75, 49,253.23 and 20,588.16

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Solution

The fourth proportional to 35,685.75, 49,253.23 and 20,588.16 is: 28,415.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,685.75 : 49,253.23 = 20,588.16 : x
  2. Step 2: Convert to fraction form
    35,685.75/49,253.23 = 20,588.16/x
  3. Step 3: Cross multiply
    35,685.75x = 49,253.23 × 20,588.16
  4. Step 4: Simplify right side
    35,685.75x = 1,014,033,379.76
  5. Step 5: Solve for x
    x = 1,014,033,379.76/35,685.75
  6. Step 6: Final answer
    x = 28,415.64

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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.