Home / 43,615.90-65,423.85-40,246.30

Finding the Fourth Proportional to 43,615.90, 65,423.85 and 40,246.30

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Solution

The fourth proportional to 43,615.90, 65,423.85 and 40,246.30 is: 60,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,615.90 : 65,423.85 = 40,246.30 : x
  2. Step 2: Convert to fraction form
    43,615.90/65,423.85 = 40,246.30/x
  3. Step 3: Cross multiply
    43,615.90x = 65,423.85 × 40,246.30
  4. Step 4: Simplify right side
    43,615.90x = 2,633,067,894.26
  5. Step 5: Solve for x
    x = 2,633,067,894.26/43,615.90
  6. Step 6: Final answer
    x = 60,369.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.