Home / 30,459.42-42,033.72-16,847.46

Finding the Fourth Proportional to 30,459.42, 42,033.72 and 16,847.46

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Solution

The fourth proportional to 30,459.42, 42,033.72 and 16,847.46 is: 23,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,459.42 : 42,033.72 = 16,847.46 : x
  2. Step 2: Convert to fraction form
    30,459.42/42,033.72 = 16,847.46/x
  3. Step 3: Cross multiply
    30,459.42x = 42,033.72 × 16,847.46
  4. Step 4: Simplify right side
    30,459.42x = 708,161,416.35
  5. Step 5: Solve for x
    x = 708,161,416.35/30,459.42
  6. Step 6: Final answer
    x = 23,249.34

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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.