Home / 31,313.19-46,970.63-7,941.45

Finding the Fourth Proportional to 31,313.19, 46,970.63 and 7,941.45

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Solution

The fourth proportional to 31,313.19, 46,970.63 and 7,941.45 is: 11,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.19 : 46,970.63 = 7,941.45 : x
  2. Step 2: Convert to fraction form
    31,313.19/46,970.63 = 7,941.45/x
  3. Step 3: Cross multiply
    31,313.19x = 46,970.63 × 7,941.45
  4. Step 4: Simplify right side
    31,313.19x = 373,014,869.91
  5. Step 5: Solve for x
    x = 373,014,869.91/31,313.19
  6. Step 6: Final answer
    x = 11,912.39

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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.