Home / 30,305.35-45,445.87-17,828.65

Finding the Fourth Proportional to 30,305.35, 45,445.87 and 17,828.65

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Solution

The fourth proportional to 30,305.35, 45,445.87 and 17,828.65 is: 26,735.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.35 : 45,445.87 = 17,828.65 : x
  2. Step 2: Convert to fraction form
    30,305.35/45,445.87 = 17,828.65/x
  3. Step 3: Cross multiply
    30,305.35x = 45,445.87 × 17,828.65
  4. Step 4: Simplify right side
    30,305.35x = 810,238,510.18
  5. Step 5: Solve for x
    x = 810,238,510.18/30,305.35
  6. Step 6: Final answer
    x = 26,735.82

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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.