Home / 31,621.02-43,637.14-17,281.14

Finding the Fourth Proportional to 31,621.02, 43,637.14 and 17,281.14

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Solution

The fourth proportional to 31,621.02, 43,637.14 and 17,281.14 is: 23,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,621.02 : 43,637.14 = 17,281.14 : x
  2. Step 2: Convert to fraction form
    31,621.02/43,637.14 = 17,281.14/x
  3. Step 3: Cross multiply
    31,621.02x = 43,637.14 × 17,281.14
  4. Step 4: Simplify right side
    31,621.02x = 754,099,525.54
  5. Step 5: Solve for x
    x = 754,099,525.54/31,621.02
  6. Step 6: Final answer
    x = 23,848.05

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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.