Home / 47,586.10-65,647.92-28,455.34

Finding the Fourth Proportional to 47,586.10, 65,647.92 and 28,455.34

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Solution

The fourth proportional to 47,586.10, 65,647.92 and 28,455.34 is: 39,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,586.10 : 65,647.92 = 28,455.34 : x
  2. Step 2: Convert to fraction form
    47,586.10/65,647.92 = 28,455.34/x
  3. Step 3: Cross multiply
    47,586.10x = 65,647.92 × 28,455.34
  4. Step 4: Simplify right side
    47,586.10x = 1,868,033,883.89
  5. Step 5: Solve for x
    x = 1,868,033,883.89/47,586.10
  6. Step 6: Final answer
    x = 39,255.87

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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.