Home / 47,623.06-65,749.71-30,656.80

Finding the Fourth Proportional to 47,623.06, 65,749.71 and 30,656.80

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Solution

The fourth proportional to 47,623.06, 65,749.71 and 30,656.80 is: 42,325.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,623.06 : 65,749.71 = 30,656.80 : x
  2. Step 2: Convert to fraction form
    47,623.06/65,749.71 = 30,656.80/x
  3. Step 3: Cross multiply
    47,623.06x = 65,749.71 × 30,656.80
  4. Step 4: Simplify right side
    47,623.06x = 2,015,675,709.53
  5. Step 5: Solve for x
    x = 2,015,675,709.53/47,623.06
  6. Step 6: Final answer
    x = 42,325.62

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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.