Home / 35,551.05-49,063.35-20,448.60

Finding the Fourth Proportional to 35,551.05, 49,063.35 and 20,448.60

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Solution

The fourth proportional to 35,551.05, 49,063.35 and 20,448.60 is: 28,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,551.05 : 49,063.35 = 20,448.60 : x
  2. Step 2: Convert to fraction form
    35,551.05/49,063.35 = 20,448.60/x
  3. Step 3: Cross multiply
    35,551.05x = 49,063.35 × 20,448.60
  4. Step 4: Simplify right side
    35,551.05x = 1,003,276,818.81
  5. Step 5: Solve for x
    x = 1,003,276,818.81/35,551.05
  6. Step 6: Final answer
    x = 28,220.74

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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.