Home / 35,072.58-52,629.84-12,888.20

Finding the Fourth Proportional to 35,072.58, 52,629.84 and 12,888.20

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Solution

The fourth proportional to 35,072.58, 52,629.84 and 12,888.20 is: 19,340.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,072.58 : 52,629.84 = 12,888.20 : x
  2. Step 2: Convert to fraction form
    35,072.58/52,629.84 = 12,888.20/x
  3. Step 3: Cross multiply
    35,072.58x = 52,629.84 × 12,888.20
  4. Step 4: Simplify right side
    35,072.58x = 678,303,903.89
  5. Step 5: Solve for x
    x = 678,303,903.89/35,072.58
  6. Step 6: Final answer
    x = 19,340.01

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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.