Home / 35,635.50-49,176.36-20,528.10

Finding the Fourth Proportional to 35,635.50, 49,176.36 and 20,528.10

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Solution

The fourth proportional to 35,635.50, 49,176.36 and 20,528.10 is: 28,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,635.50 : 49,176.36 = 20,528.10 : x
  2. Step 2: Convert to fraction form
    35,635.50/49,176.36 = 20,528.10/x
  3. Step 3: Cross multiply
    35,635.50x = 49,176.36 × 20,528.10
  4. Step 4: Simplify right side
    35,635.50x = 1,009,497,235.72
  5. Step 5: Solve for x
    x = 1,009,497,235.72/35,635.50
  6. Step 6: Final answer
    x = 28,328.42

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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.