Home / 47,674.85-65,786.93-28,290.42

Finding the Fourth Proportional to 47,674.85, 65,786.93 and 28,290.42

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Solution

The fourth proportional to 47,674.85, 65,786.93 and 28,290.42 is: 39,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,674.85 : 65,786.93 = 28,290.42 : x
  2. Step 2: Convert to fraction form
    47,674.85/65,786.93 = 28,290.42/x
  3. Step 3: Cross multiply
    47,674.85x = 65,786.93 × 28,290.42
  4. Step 4: Simplify right side
    47,674.85x = 1,861,139,950.94
  5. Step 5: Solve for x
    x = 1,861,139,950.94/47,674.85
  6. Step 6: Final answer
    x = 39,038.20

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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.