Home / 30,868.55-46,265.90-14,211.80

Finding the Fourth Proportional to 30,868.55, 46,265.90 and 14,211.80

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Solution

The fourth proportional to 30,868.55, 46,265.90 and 14,211.80 is: 21,300.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,868.55 : 46,265.90 = 14,211.80 : x
  2. Step 2: Convert to fraction form
    30,868.55/46,265.90 = 14,211.80/x
  3. Step 3: Cross multiply
    30,868.55x = 46,265.90 × 14,211.80
  4. Step 4: Simplify right side
    30,868.55x = 657,521,415.23
  5. Step 5: Solve for x
    x = 657,521,415.23/30,868.55
  6. Step 6: Final answer
    x = 21,300.69

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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.