Home / 30,305.16-45,445.59-17,828.46

Finding the Fourth Proportional to 30,305.16, 45,445.59 and 17,828.46

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Solution

The fourth proportional to 30,305.16, 45,445.59 and 17,828.46 is: 26,735.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.16 : 45,445.59 = 17,828.46 : x
  2. Step 2: Convert to fraction form
    30,305.16/45,445.59 = 17,828.46/x
  3. Step 3: Cross multiply
    30,305.16x = 45,445.59 × 17,828.46
  4. Step 4: Simplify right side
    30,305.16x = 810,224,883.49
  5. Step 5: Solve for x
    x = 810,224,883.49/30,305.16
  6. Step 6: Final answer
    x = 26,735.54

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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.