Home / 35,115.93-48,453.39-20,772.45

Finding the Fourth Proportional to 35,115.93, 48,453.39 and 20,772.45

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Solution

The fourth proportional to 35,115.93, 48,453.39 and 20,772.45 is: 28,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,115.93 : 48,453.39 = 20,772.45 : x
  2. Step 2: Convert to fraction form
    35,115.93/48,453.39 = 20,772.45/x
  3. Step 3: Cross multiply
    35,115.93x = 48,453.39 × 20,772.45
  4. Step 4: Simplify right side
    35,115.93x = 1,006,495,621.11
  5. Step 5: Solve for x
    x = 1,006,495,621.11/35,115.93
  6. Step 6: Final answer
    x = 28,662.08

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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.