Home / 84,289.37-126,452.54-31,698.86

Finding the Fourth Proportional to 84,289.37, 126,452.54 and 31,698.86

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Solution

The fourth proportional to 84,289.37, 126,452.54 and 31,698.86 is: 47,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,289.37 : 126,452.54 = 31,698.86 : x
  2. Step 2: Convert to fraction form
    84,289.37/126,452.54 = 31,698.86/x
  3. Step 3: Cross multiply
    84,289.37x = 126,452.54 × 31,698.86
  4. Step 4: Simplify right side
    84,289.37x = 4,008,401,362.10
  5. Step 5: Solve for x
    x = 4,008,401,362.10/84,289.37
  6. Step 6: Final answer
    x = 47,555.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.