Home / 35,231.72-48,619.76-19,315.82

Finding the Fourth Proportional to 35,231.72, 48,619.76 and 19,315.82

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Solution

The fourth proportional to 35,231.72, 48,619.76 and 19,315.82 is: 26,655.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,231.72 : 48,619.76 = 19,315.82 : x
  2. Step 2: Convert to fraction form
    35,231.72/48,619.76 = 19,315.82/x
  3. Step 3: Cross multiply
    35,231.72x = 48,619.76 × 19,315.82
  4. Step 4: Simplify right side
    35,231.72x = 939,130,557.57
  5. Step 5: Solve for x
    x = 939,130,557.57/35,231.72
  6. Step 6: Final answer
    x = 26,655.83

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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.