Home / 57,048.40-85,606.53-30,413.98

Finding the Fourth Proportional to 57,048.40, 85,606.53 and 30,413.98

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Solution

The fourth proportional to 57,048.40, 85,606.53 and 30,413.98 is: 45,639.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,048.40 : 85,606.53 = 30,413.98 : x
  2. Step 2: Convert to fraction form
    57,048.40/85,606.53 = 30,413.98/x
  3. Step 3: Cross multiply
    57,048.40x = 85,606.53 × 30,413.98
  4. Step 4: Simplify right side
    57,048.40x = 2,603,635,291.29
  5. Step 5: Solve for x
    x = 2,603,635,291.29/57,048.40
  6. Step 6: Final answer
    x = 45,639.06

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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.