Home / 30,888.52-42,626.16-16,741.36

Finding the Fourth Proportional to 30,888.52, 42,626.16 and 16,741.36

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Solution

The fourth proportional to 30,888.52, 42,626.16 and 16,741.36 is: 23,103.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.52 : 42,626.16 = 16,741.36 : x
  2. Step 2: Convert to fraction form
    30,888.52/42,626.16 = 16,741.36/x
  3. Step 3: Cross multiply
    30,888.52x = 42,626.16 × 16,741.36
  4. Step 4: Simplify right side
    30,888.52x = 713,619,889.98
  5. Step 5: Solve for x
    x = 713,619,889.98/30,888.52
  6. Step 6: Final answer
    x = 23,103.08

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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.