Home / 46,639.20-69,958.80-18,937.20

Finding the Fourth Proportional to 46,639.20, 69,958.80 and 18,937.20

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Solution

The fourth proportional to 46,639.20, 69,958.80 and 18,937.20 is: 28,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,639.20 : 69,958.80 = 18,937.20 : x
  2. Step 2: Convert to fraction form
    46,639.20/69,958.80 = 18,937.20/x
  3. Step 3: Cross multiply
    46,639.20x = 69,958.80 × 18,937.20
  4. Step 4: Simplify right side
    46,639.20x = 1,324,823,787.36
  5. Step 5: Solve for x
    x = 1,324,823,787.36/46,639.20
  6. Step 6: Final answer
    x = 28,405.80

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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.