Home / 34,756.24-52,126.31-20,720.20

Finding the Fourth Proportional to 34,756.24, 52,126.31 and 20,720.20

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Solution

The fourth proportional to 34,756.24, 52,126.31 and 20,720.20 is: 31,075.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,756.24 : 52,126.31 = 20,720.20 : x
  2. Step 2: Convert to fraction form
    34,756.24/52,126.31 = 20,720.20/x
  3. Step 3: Cross multiply
    34,756.24x = 52,126.31 × 20,720.20
  4. Step 4: Simplify right side
    34,756.24x = 1,080,067,568.46
  5. Step 5: Solve for x
    x = 1,080,067,568.46/34,756.24
  6. Step 6: Final answer
    x = 31,075.50

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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.