Home / 30,525.24-42,125.91-17,097.72

Finding the Fourth Proportional to 30,525.24, 42,125.91 and 17,097.72

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Solution

The fourth proportional to 30,525.24, 42,125.91 and 17,097.72 is: 23,595.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,525.24 : 42,125.91 = 17,097.72 : x
  2. Step 2: Convert to fraction form
    30,525.24/42,125.91 = 17,097.72/x
  3. Step 3: Cross multiply
    30,525.24x = 42,125.91 × 17,097.72
  4. Step 4: Simplify right side
    30,525.24x = 720,257,013.93
  5. Step 5: Solve for x
    x = 720,257,013.93/30,525.24
  6. Step 6: Final answer
    x = 23,595.46

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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.