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Finding the Fourth Proportional to 56,008.68, 84,014.64 and 20,941.64

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Solution

The fourth proportional to 56,008.68, 84,014.64 and 20,941.64 is: 31,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,008.68 : 84,014.64 = 20,941.64 : x
  2. Step 2: Convert to fraction form
    56,008.68/84,014.64 = 20,941.64/x
  3. Step 3: Cross multiply
    56,008.68x = 84,014.64 × 20,941.64
  4. Step 4: Simplify right side
    56,008.68x = 1,759,404,345.61
  5. Step 5: Solve for x
    x = 1,759,404,345.61/56,008.68
  6. Step 6: Final answer
    x = 31,413.07

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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.