Home / 54,323.20-81,486.40-25,852.80

Finding the Fourth Proportional to 54,323.20, 81,486.40 and 25,852.80

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Solution

The fourth proportional to 54,323.20, 81,486.40 and 25,852.80 is: 38,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,323.20 : 81,486.40 = 25,852.80 : x
  2. Step 2: Convert to fraction form
    54,323.20/81,486.40 = 25,852.80/x
  3. Step 3: Cross multiply
    54,323.20x = 81,486.40 × 25,852.80
  4. Step 4: Simplify right side
    54,323.20x = 2,106,651,601.92
  5. Step 5: Solve for x
    x = 2,106,651,601.92/54,323.20
  6. Step 6: Final answer
    x = 38,779.96

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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.