Home / 30,970.79-46,410.60-13,852.92

Finding the Fourth Proportional to 30,970.79, 46,410.60 and 13,852.92

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Solution

The fourth proportional to 30,970.79, 46,410.60 and 13,852.92 is: 20,759.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,970.79 : 46,410.60 = 13,852.92 : x
  2. Step 2: Convert to fraction form
    30,970.79/46,410.60 = 13,852.92/x
  3. Step 3: Cross multiply
    30,970.79x = 46,410.60 × 13,852.92
  4. Step 4: Simplify right side
    30,970.79x = 642,922,554.94
  5. Step 5: Solve for x
    x = 642,922,554.94/30,970.79
  6. Step 6: Final answer
    x = 20,759.00

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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.