Home / 53,924.20-80,886.30-18,860.20

Finding the Fourth Proportional to 53,924.20, 80,886.30 and 18,860.20

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Solution

The fourth proportional to 53,924.20, 80,886.30 and 18,860.20 is: 28,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,924.20 : 80,886.30 = 18,860.20 : x
  2. Step 2: Convert to fraction form
    53,924.20/80,886.30 = 18,860.20/x
  3. Step 3: Cross multiply
    53,924.20x = 80,886.30 × 18,860.20
  4. Step 4: Simplify right side
    53,924.20x = 1,525,531,795.26
  5. Step 5: Solve for x
    x = 1,525,531,795.26/53,924.20
  6. Step 6: Final answer
    x = 28,290.30

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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.