Home / 30,886.44-46,391.76-18,430.80

Finding the Fourth Proportional to 30,886.44, 46,391.76 and 18,430.80

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Solution

The fourth proportional to 30,886.44, 46,391.76 and 18,430.80 is: 27,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,886.44 : 46,391.76 = 18,430.80 : x
  2. Step 2: Convert to fraction form
    30,886.44/46,391.76 = 18,430.80/x
  3. Step 3: Cross multiply
    30,886.44x = 46,391.76 × 18,430.80
  4. Step 4: Simplify right side
    30,886.44x = 855,037,250.21
  5. Step 5: Solve for x
    x = 855,037,250.21/30,886.44
  6. Step 6: Final answer
    x = 27,683.26

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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.