Home / 46,648.16-69,971.98-11,587.80

Finding the Fourth Proportional to 46,648.16, 69,971.98 and 11,587.80

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Solution

The fourth proportional to 46,648.16, 69,971.98 and 11,587.80 is: 17,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,648.16 : 69,971.98 = 11,587.80 : x
  2. Step 2: Convert to fraction form
    46,648.16/69,971.98 = 11,587.80/x
  3. Step 3: Cross multiply
    46,648.16x = 69,971.98 × 11,587.80
  4. Step 4: Simplify right side
    46,648.16x = 810,821,309.84
  5. Step 5: Solve for x
    x = 810,821,309.84/46,648.16
  6. Step 6: Final answer
    x = 17,381.64

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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.