Home / 34,961.72-52,413.54-13,888.76

Finding the Fourth Proportional to 34,961.72, 52,413.54 and 13,888.76

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Solution

The fourth proportional to 34,961.72, 52,413.54 and 13,888.76 is: 20,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,961.72 : 52,413.54 = 13,888.76 : x
  2. Step 2: Convert to fraction form
    34,961.72/52,413.54 = 13,888.76/x
  3. Step 3: Cross multiply
    34,961.72x = 52,413.54 × 13,888.76
  4. Step 4: Simplify right side
    34,961.72x = 727,959,077.81
  5. Step 5: Solve for x
    x = 727,959,077.81/34,961.72
  6. Step 6: Final answer
    x = 20,821.60

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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.