Home / 45,989.51-68,970.29-16,400.61

Finding the Fourth Proportional to 45,989.51, 68,970.29 and 16,400.61

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Solution

The fourth proportional to 45,989.51, 68,970.29 and 16,400.61 is: 24,595.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,989.51 : 68,970.29 = 16,400.61 : x
  2. Step 2: Convert to fraction form
    45,989.51/68,970.29 = 16,400.61/x
  3. Step 3: Cross multiply
    45,989.51x = 68,970.29 × 16,400.61
  4. Step 4: Simplify right side
    45,989.51x = 1,131,154,745.87
  5. Step 5: Solve for x
    x = 1,131,154,745.87/45,989.51
  6. Step 6: Final answer
    x = 24,595.93

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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.