Home / 44,281.20-66,378.60-39,615.60

Finding the Fourth Proportional to 44,281.20, 66,378.60 and 39,615.60

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Solution

The fourth proportional to 44,281.20, 66,378.60 and 39,615.60 is: 59,384.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,281.20 : 66,378.60 = 39,615.60 : x
  2. Step 2: Convert to fraction form
    44,281.20/66,378.60 = 39,615.60/x
  3. Step 3: Cross multiply
    44,281.20x = 66,378.60 × 39,615.60
  4. Step 4: Simplify right side
    44,281.20x = 2,629,628,066.16
  5. Step 5: Solve for x
    x = 2,629,628,066.16/44,281.20
  6. Step 6: Final answer
    x = 59,384.75

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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.