Home / 74,938.54-103,413.96-40,946.30

Finding the Fourth Proportional to 74,938.54, 103,413.96 and 40,946.30

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Solution

The fourth proportional to 74,938.54, 103,413.96 and 40,946.30 is: 56,505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,938.54 : 103,413.96 = 40,946.30 : x
  2. Step 2: Convert to fraction form
    74,938.54/103,413.96 = 40,946.30/x
  3. Step 3: Cross multiply
    74,938.54x = 103,413.96 × 40,946.30
  4. Step 4: Simplify right side
    74,938.54x = 4,234,419,030.35
  5. Step 5: Solve for x
    x = 4,234,419,030.35/74,938.54
  6. Step 6: Final answer
    x = 56,505.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.