Home / 30,092.51-45,142.72-10,365.77

Finding the Fourth Proportional to 30,092.51, 45,142.72 and 10,365.77

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Solution

The fourth proportional to 30,092.51, 45,142.72 and 10,365.77 is: 15,550.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,092.51 : 45,142.72 = 10,365.77 : x
  2. Step 2: Convert to fraction form
    30,092.51/45,142.72 = 10,365.77/x
  3. Step 3: Cross multiply
    30,092.51x = 45,142.72 × 10,365.77
  4. Step 4: Simplify right side
    30,092.51x = 467,939,139.64
  5. Step 5: Solve for x
    x = 467,939,139.64/30,092.51
  6. Step 6: Final answer
    x = 15,550.02

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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.