Home / 29,043.40-43,532.70-12,400.60

Finding the Fourth Proportional to 29,043.40, 43,532.70 and 12,400.60

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Solution

The fourth proportional to 29,043.40, 43,532.70 and 12,400.60 is: 18,587.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,043.40 : 43,532.70 = 12,400.60 : x
  2. Step 2: Convert to fraction form
    29,043.40/43,532.70 = 12,400.60/x
  3. Step 3: Cross multiply
    29,043.40x = 43,532.70 × 12,400.60
  4. Step 4: Simplify right side
    29,043.40x = 539,831,599.62
  5. Step 5: Solve for x
    x = 539,831,599.62/29,043.40
  6. Step 6: Final answer
    x = 18,587.07

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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.