Home / 46,209.88-69,304.60-12,920.99

Finding the Fourth Proportional to 46,209.88, 69,304.60 and 12,920.99

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Solution

The fourth proportional to 46,209.88, 69,304.60 and 12,920.99 is: 19,378.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,209.88 : 69,304.60 = 12,920.99 : x
  2. Step 2: Convert to fraction form
    46,209.88/69,304.60 = 12,920.99/x
  3. Step 3: Cross multiply
    46,209.88x = 69,304.60 × 12,920.99
  4. Step 4: Simplify right side
    46,209.88x = 895,484,184.51
  5. Step 5: Solve for x
    x = 895,484,184.51/46,209.88
  6. Step 6: Final answer
    x = 19,378.63

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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.