Home / 47,289.15-65,258.22-25,779.12

Finding the Fourth Proportional to 47,289.15, 65,258.22 and 25,779.12

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Solution

The fourth proportional to 47,289.15, 65,258.22 and 25,779.12 is: 35,574.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,289.15 : 65,258.22 = 25,779.12 : x
  2. Step 2: Convert to fraction form
    47,289.15/65,258.22 = 25,779.12/x
  3. Step 3: Cross multiply
    47,289.15x = 65,258.22 × 25,779.12
  4. Step 4: Simplify right side
    47,289.15x = 1,682,299,484.37
  5. Step 5: Solve for x
    x = 1,682,299,484.37/47,289.15
  6. Step 6: Final answer
    x = 35,574.75

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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.