Home / 54,079.30-74,613.10-31,413.88

Finding the Fourth Proportional to 54,079.30, 74,613.10 and 31,413.88

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Solution

The fourth proportional to 54,079.30, 74,613.10 and 31,413.88 is: 43,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,079.30 : 74,613.10 = 31,413.88 : x
  2. Step 2: Convert to fraction form
    54,079.30/74,613.10 = 31,413.88/x
  3. Step 3: Cross multiply
    54,079.30x = 74,613.10 × 31,413.88
  4. Step 4: Simplify right side
    54,079.30x = 2,343,886,969.83
  5. Step 5: Solve for x
    x = 2,343,886,969.83/54,079.30
  6. Step 6: Final answer
    x = 43,341.67

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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.