Home / 38,410.30-53,001.92-21,413.26

Finding the Fourth Proportional to 38,410.30, 53,001.92 and 21,413.26

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Solution

The fourth proportional to 38,410.30, 53,001.92 and 21,413.26 is: 29,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,410.30 : 53,001.92 = 21,413.26 : x
  2. Step 2: Convert to fraction form
    38,410.30/53,001.92 = 21,413.26/x
  3. Step 3: Cross multiply
    38,410.30x = 53,001.92 × 21,413.26
  4. Step 4: Simplify right side
    38,410.30x = 1,134,943,893.46
  5. Step 5: Solve for x
    x = 1,134,943,893.46/38,410.30
  6. Step 6: Final answer
    x = 29,547.90

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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.