Home / 35,413.22-48,871.54-20,308.74

Finding the Fourth Proportional to 35,413.22, 48,871.54 and 20,308.74

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Solution

The fourth proportional to 35,413.22, 48,871.54 and 20,308.74 is: 28,026.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,413.22 : 48,871.54 = 20,308.74 : x
  2. Step 2: Convert to fraction form
    35,413.22/48,871.54 = 20,308.74/x
  3. Step 3: Cross multiply
    35,413.22x = 48,871.54 × 20,308.74
  4. Step 4: Simplify right side
    35,413.22x = 992,519,399.26
  5. Step 5: Solve for x
    x = 992,519,399.26/35,413.22
  6. Step 6: Final answer
    x = 28,026.80

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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.