Home / 47,289.24-65,292.48-31,406.76

Finding the Fourth Proportional to 47,289.24, 65,292.48 and 31,406.76

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Solution

The fourth proportional to 47,289.24, 65,292.48 and 31,406.76 is: 43,363.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,289.24 : 65,292.48 = 31,406.76 : x
  2. Step 2: Convert to fraction form
    47,289.24/65,292.48 = 31,406.76/x
  3. Step 3: Cross multiply
    47,289.24x = 65,292.48 × 31,406.76
  4. Step 4: Simplify right side
    47,289.24x = 2,050,625,249.16
  5. Step 5: Solve for x
    x = 2,050,625,249.16/47,289.24
  6. Step 6: Final answer
    x = 43,363.46

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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.