Home / 31,254.12-43,130.64-17,106.96

Finding the Fourth Proportional to 31,254.12, 43,130.64 and 17,106.96

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Solution

The fourth proportional to 31,254.12, 43,130.64 and 17,106.96 is: 23,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.12 : 43,130.64 = 17,106.96 : x
  2. Step 2: Convert to fraction form
    31,254.12/43,130.64 = 17,106.96/x
  3. Step 3: Cross multiply
    31,254.12x = 43,130.64 × 17,106.96
  4. Step 4: Simplify right side
    31,254.12x = 737,834,133.25
  5. Step 5: Solve for x
    x = 737,834,133.25/31,254.12
  6. Step 6: Final answer
    x = 23,607.58

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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.