Home / 35,077.08-48,423.20-20,739.36

Finding the Fourth Proportional to 35,077.08, 48,423.20 and 20,739.36

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Solution

The fourth proportional to 35,077.08, 48,423.20 and 20,739.36 is: 28,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,077.08 : 48,423.20 = 20,739.36 : x
  2. Step 2: Convert to fraction form
    35,077.08/48,423.20 = 20,739.36/x
  3. Step 3: Cross multiply
    35,077.08x = 48,423.20 × 20,739.36
  4. Step 4: Simplify right side
    35,077.08x = 1,004,266,177.15
  5. Step 5: Solve for x
    x = 1,004,266,177.15/35,077.08
  6. Step 6: Final answer
    x = 28,630.27

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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.