Home / 39,026.16-58,545-11,320.56

Finding the Fourth Proportional to 39,026.16, 58,545 and 11,320.56

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Solution

The fourth proportional to 39,026.16, 58,545 and 11,320.56 is: 16,982.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,026.16 : 58,545 = 11,320.56 : x
  2. Step 2: Convert to fraction form
    39,026.16/58,545 = 11,320.56/x
  3. Step 3: Cross multiply
    39,026.16x = 58,545 × 11,320.56
  4. Step 4: Simplify right side
    39,026.16x = 662,762,185.20
  5. Step 5: Solve for x
    x = 662,762,185.20/39,026.16
  6. Step 6: Final answer
    x = 16,982.51

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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.