Home / 30,317.42-41,836.47-16,888.16

Finding the Fourth Proportional to 30,317.42, 41,836.47 and 16,888.16

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Solution

The fourth proportional to 30,317.42, 41,836.47 and 16,888.16 is: 23,304.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,317.42 : 41,836.47 = 16,888.16 : x
  2. Step 2: Convert to fraction form
    30,317.42/41,836.47 = 16,888.16/x
  3. Step 3: Cross multiply
    30,317.42x = 41,836.47 × 16,888.16
  4. Step 4: Simplify right side
    30,317.42x = 706,541,040.46
  5. Step 5: Solve for x
    x = 706,541,040.46/30,317.42
  6. Step 6: Final answer
    x = 23,304.79

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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.