Home / 39,113.37-58,634.82-15,415.20

Finding the Fourth Proportional to 39,113.37, 58,634.82 and 15,415.20

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Solution

The fourth proportional to 39,113.37, 58,634.82 and 15,415.20 is: 23,108.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,113.37 : 58,634.82 = 15,415.20 : x
  2. Step 2: Convert to fraction form
    39,113.37/58,634.82 = 15,415.20/x
  3. Step 3: Cross multiply
    39,113.37x = 58,634.82 × 15,415.20
  4. Step 4: Simplify right side
    39,113.37x = 903,867,477.26
  5. Step 5: Solve for x
    x = 903,867,477.26/39,113.37
  6. Step 6: Final answer
    x = 23,108.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.