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Finding the Fourth Proportional to 56,413.76, 84,659.52 and 19,477.76

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Solution

The fourth proportional to 56,413.76, 84,659.52 and 19,477.76 is: 29,230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,413.76 : 84,659.52 = 19,477.76 : x
  2. Step 2: Convert to fraction form
    56,413.76/84,659.52 = 19,477.76/x
  3. Step 3: Cross multiply
    56,413.76x = 84,659.52 × 19,477.76
  4. Step 4: Simplify right side
    56,413.76x = 1,648,977,812.28
  5. Step 5: Solve for x
    x = 1,648,977,812.28/56,413.76
  6. Step 6: Final answer
    x = 29,230.06

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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.