Home / 47,609.20-71,413.80-43,235.20

Finding the Fourth Proportional to 47,609.20, 71,413.80 and 43,235.20

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Solution

The fourth proportional to 47,609.20, 71,413.80 and 43,235.20 is: 64,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,609.20 : 71,413.80 = 43,235.20 : x
  2. Step 2: Convert to fraction form
    47,609.20/71,413.80 = 43,235.20/x
  3. Step 3: Cross multiply
    47,609.20x = 71,413.80 × 43,235.20
  4. Step 4: Simplify right side
    47,609.20x = 3,087,589,925.76
  5. Step 5: Solve for x
    x = 3,087,589,925.76/47,609.20
  6. Step 6: Final answer
    x = 64,852.80

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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.