Home / 47,115.13-70,705.10-19,413.13

Finding the Fourth Proportional to 47,115.13, 70,705.10 and 19,413.13

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Solution

The fourth proportional to 47,115.13, 70,705.10 and 19,413.13 is: 29,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,115.13 : 70,705.10 = 19,413.13 : x
  2. Step 2: Convert to fraction form
    47,115.13/70,705.10 = 19,413.13/x
  3. Step 3: Cross multiply
    47,115.13x = 70,705.10 × 19,413.13
  4. Step 4: Simplify right side
    47,115.13x = 1,372,607,297.96
  5. Step 5: Solve for x
    x = 1,372,607,297.96/47,115.13
  6. Step 6: Final answer
    x = 29,133.05

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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.