Home / 53,377.20-79,977.84-18,297.60

Finding the Fourth Proportional to 53,377.20, 79,977.84 and 18,297.60

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Solution

The fourth proportional to 53,377.20, 79,977.84 and 18,297.60 is: 27,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,377.20 : 79,977.84 = 18,297.60 : x
  2. Step 2: Convert to fraction form
    53,377.20/79,977.84 = 18,297.60/x
  3. Step 3: Cross multiply
    53,377.20x = 79,977.84 × 18,297.60
  4. Step 4: Simplify right side
    53,377.20x = 1,463,402,525.18
  5. Step 5: Solve for x
    x = 1,463,402,525.18/53,377.20
  6. Step 6: Final answer
    x = 27,416.25

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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.