Home / 30,786.93-46,111.19-18,746.46

Finding the Fourth Proportional to 30,786.93, 46,111.19 and 18,746.46

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Solution

The fourth proportional to 30,786.93, 46,111.19 and 18,746.46 is: 28,077.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,786.93 : 46,111.19 = 18,746.46 : x
  2. Step 2: Convert to fraction form
    30,786.93/46,111.19 = 18,746.46/x
  3. Step 3: Cross multiply
    30,786.93x = 46,111.19 × 18,746.46
  4. Step 4: Simplify right side
    30,786.93x = 864,421,658.07
  5. Step 5: Solve for x
    x = 864,421,658.07/30,786.93
  6. Step 6: Final answer
    x = 28,077.56

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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.