Home / 40,075.68-55,269.36-25,914.72

Finding the Fourth Proportional to 40,075.68, 55,269.36 and 25,914.72

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Solution

The fourth proportional to 40,075.68, 55,269.36 and 25,914.72 is: 35,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,075.68 : 55,269.36 = 25,914.72 : x
  2. Step 2: Convert to fraction form
    40,075.68/55,269.36 = 25,914.72/x
  3. Step 3: Cross multiply
    40,075.68x = 55,269.36 × 25,914.72
  4. Step 4: Simplify right side
    40,075.68x = 1,432,289,988.98
  5. Step 5: Solve for x
    x = 1,432,289,988.98/40,075.68
  6. Step 6: Final answer
    x = 35,739.63

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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.