Home / 38,407.03-52,999.80-21,413.14

Finding the Fourth Proportional to 38,407.03, 52,999.80 and 21,413.14

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Solution

The fourth proportional to 38,407.03, 52,999.80 and 21,413.14 is: 29,549.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,407.03 : 52,999.80 = 21,413.14 : x
  2. Step 2: Convert to fraction form
    38,407.03/52,999.80 = 21,413.14/x
  3. Step 3: Cross multiply
    38,407.03x = 52,999.80 × 21,413.14
  4. Step 4: Simplify right side
    38,407.03x = 1,134,892,137.37
  5. Step 5: Solve for x
    x = 1,134,892,137.37/38,407.03
  6. Step 6: Final answer
    x = 29,549.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.