Home / 30,040.83-45,083.42-14,245.91

Finding the Fourth Proportional to 30,040.83, 45,083.42 and 14,245.91

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Solution

The fourth proportional to 30,040.83, 45,083.42 and 14,245.91 is: 21,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,040.83 : 45,083.42 = 14,245.91 : x
  2. Step 2: Convert to fraction form
    30,040.83/45,083.42 = 14,245.91/x
  3. Step 3: Cross multiply
    30,040.83x = 45,083.42 × 14,245.91
  4. Step 4: Simplify right side
    30,040.83x = 642,254,385.29
  5. Step 5: Solve for x
    x = 642,254,385.29/30,040.83
  6. Step 6: Final answer
    x = 21,379.38

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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.