Home / 30,777.93-46,161.14-19,162.89

Finding the Fourth Proportional to 30,777.93, 46,161.14 and 19,162.89

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Solution

The fourth proportional to 30,777.93, 46,161.14 and 19,162.89 is: 28,740.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,777.93 : 46,161.14 = 19,162.89 : x
  2. Step 2: Convert to fraction form
    30,777.93/46,161.14 = 19,162.89/x
  3. Step 3: Cross multiply
    30,777.93x = 46,161.14 × 19,162.89
  4. Step 4: Simplify right side
    30,777.93x = 884,580,752.28
  5. Step 5: Solve for x
    x = 884,580,752.28/30,777.93
  6. Step 6: Final answer
    x = 28,740.75

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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.