Home / 43,261.60-64,928.86-16,984.78

Finding the Fourth Proportional to 43,261.60, 64,928.86 and 16,984.78

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Solution

The fourth proportional to 43,261.60, 64,928.86 and 16,984.78 is: 25,491.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,261.60 : 64,928.86 = 16,984.78 : x
  2. Step 2: Convert to fraction form
    43,261.60/64,928.86 = 16,984.78/x
  3. Step 3: Cross multiply
    43,261.60x = 64,928.86 × 16,984.78
  4. Step 4: Simplify right side
    43,261.60x = 1,102,802,402.75
  5. Step 5: Solve for x
    x = 1,102,802,402.75/43,261.60
  6. Step 6: Final answer
    x = 25,491.48

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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.