Home / 35,583.10-49,109.56-20,475.45

Finding the Fourth Proportional to 35,583.10, 49,109.56 and 20,475.45

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Solution

The fourth proportional to 35,583.10, 49,109.56 and 20,475.45 is: 28,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,583.10 : 49,109.56 = 20,475.45 : x
  2. Step 2: Convert to fraction form
    35,583.10/49,109.56 = 20,475.45/x
  3. Step 3: Cross multiply
    35,583.10x = 49,109.56 × 20,475.45
  4. Step 4: Simplify right side
    35,583.10x = 1,005,540,289.11
  5. Step 5: Solve for x
    x = 1,005,540,289.11/35,583.10
  6. Step 6: Final answer
    x = 28,258.93

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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.