Home / 35,946.40-53,919.60-18,450.40

Finding the Fourth Proportional to 35,946.40, 53,919.60 and 18,450.40

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Solution

The fourth proportional to 35,946.40, 53,919.60 and 18,450.40 is: 27,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,946.40 : 53,919.60 = 18,450.40 : x
  2. Step 2: Convert to fraction form
    35,946.40/53,919.60 = 18,450.40/x
  3. Step 3: Cross multiply
    35,946.40x = 53,919.60 × 18,450.40
  4. Step 4: Simplify right side
    35,946.40x = 994,838,187.84
  5. Step 5: Solve for x
    x = 994,838,187.84/35,946.40
  6. Step 6: Final answer
    x = 27,675.60

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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.