Home / 47,365.92-65,367.36-31,423.20

Finding the Fourth Proportional to 47,365.92, 65,367.36 and 31,423.20

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Solution

The fourth proportional to 47,365.92, 65,367.36 and 31,423.20 is: 43,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,365.92 : 65,367.36 = 31,423.20 : x
  2. Step 2: Convert to fraction form
    47,365.92/65,367.36 = 31,423.20/x
  3. Step 3: Cross multiply
    47,365.92x = 65,367.36 × 31,423.20
  4. Step 4: Simplify right side
    47,365.92x = 2,054,051,626.75
  5. Step 5: Solve for x
    x = 2,054,051,626.75/47,365.92
  6. Step 6: Final answer
    x = 43,365.60

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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.