Home / 30,941.75-46,405.18-14,285.78

Finding the Fourth Proportional to 30,941.75, 46,405.18 and 14,285.78

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Solution

The fourth proportional to 30,941.75, 46,405.18 and 14,285.78 is: 21,425.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941.75 : 46,405.18 = 14,285.78 : x
  2. Step 2: Convert to fraction form
    30,941.75/46,405.18 = 14,285.78/x
  3. Step 3: Cross multiply
    30,941.75x = 46,405.18 × 14,285.78
  4. Step 4: Simplify right side
    30,941.75x = 662,934,192.34
  5. Step 5: Solve for x
    x = 662,934,192.34/30,941.75
  6. Step 6: Final answer
    x = 21,425.23

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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.