Home / 47,142.40-65,059.32-25,923.28

Finding the Fourth Proportional to 47,142.40, 65,059.32 and 25,923.28

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Solution

The fourth proportional to 47,142.40, 65,059.32 and 25,923.28 is: 35,775.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,142.40 : 65,059.32 = 25,923.28 : x
  2. Step 2: Convert to fraction form
    47,142.40/65,059.32 = 25,923.28/x
  3. Step 3: Cross multiply
    47,142.40x = 65,059.32 × 25,923.28
  4. Step 4: Simplify right side
    47,142.40x = 1,686,550,968.97
  5. Step 5: Solve for x
    x = 1,686,550,968.97/47,142.40
  6. Step 6: Final answer
    x = 35,775.67

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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.