Home / 61,316.42-91,942.22-31,728.74

Finding the Fourth Proportional to 61,316.42, 91,942.22 and 31,728.74

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Solution

The fourth proportional to 61,316.42, 91,942.22 and 31,728.74 is: 47,576.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,316.42 : 91,942.22 = 31,728.74 : x
  2. Step 2: Convert to fraction form
    61,316.42/91,942.22 = 31,728.74/x
  3. Step 3: Cross multiply
    61,316.42x = 91,942.22 × 31,728.74
  4. Step 4: Simplify right side
    61,316.42x = 2,917,210,413.01
  5. Step 5: Solve for x
    x = 2,917,210,413.01/61,316.42
  6. Step 6: Final answer
    x = 47,576.34

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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.