Home / 40,075.88-55,299.93-22,168.45

Finding the Fourth Proportional to 40,075.88, 55,299.93 and 22,168.45

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Solution

The fourth proportional to 40,075.88, 55,299.93 and 22,168.45 is: 30,589.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,075.88 : 55,299.93 = 22,168.45 : x
  2. Step 2: Convert to fraction form
    40,075.88/55,299.93 = 22,168.45/x
  3. Step 3: Cross multiply
    40,075.88x = 55,299.93 × 22,168.45
  4. Step 4: Simplify right side
    40,075.88x = 1,225,913,719.20
  5. Step 5: Solve for x
    x = 1,225,913,719.20/40,075.88
  6. Step 6: Final answer
    x = 30,589.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.