Home / 40,075.66-60,109.44-13,782.25

Finding the Fourth Proportional to 40,075.66, 60,109.44 and 13,782.25

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Solution

The fourth proportional to 40,075.66, 60,109.44 and 13,782.25 is: 20,671.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,075.66 : 60,109.44 = 13,782.25 : x
  2. Step 2: Convert to fraction form
    40,075.66/60,109.44 = 13,782.25/x
  3. Step 3: Cross multiply
    40,075.66x = 60,109.44 × 13,782.25
  4. Step 4: Simplify right side
    40,075.66x = 828,443,329.44
  5. Step 5: Solve for x
    x = 828,443,329.44/40,075.66
  6. Step 6: Final answer
    x = 20,671.98

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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.