Home / 40,075.14-55,328.87-25,740.77

Finding the Fourth Proportional to 40,075.14, 55,328.87 and 25,740.77

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Solution

The fourth proportional to 40,075.14, 55,328.87 and 25,740.77 is: 35,538.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,075.14 : 55,328.87 = 25,740.77 : x
  2. Step 2: Convert to fraction form
    40,075.14/55,328.87 = 25,740.77/x
  3. Step 3: Cross multiply
    40,075.14x = 55,328.87 × 25,740.77
  4. Step 4: Simplify right side
    40,075.14x = 1,424,207,311.68
  5. Step 5: Solve for x
    x = 1,424,207,311.68/40,075.14
  6. Step 6: Final answer
    x = 35,538.42

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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.