Home / 71,015.79-98,007.67-40,806.98

Finding the Fourth Proportional to 71,015.79, 98,007.67 and 40,806.98

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Solution

The fourth proportional to 71,015.79, 98,007.67 and 40,806.98 is: 56,317.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,015.79 : 98,007.67 = 40,806.98 : x
  2. Step 2: Convert to fraction form
    71,015.79/98,007.67 = 40,806.98/x
  3. Step 3: Cross multiply
    71,015.79x = 98,007.67 × 40,806.98
  4. Step 4: Simplify right side
    71,015.79x = 3,999,397,029.54
  5. Step 5: Solve for x
    x = 3,999,397,029.54/71,015.79
  6. Step 6: Final answer
    x = 56,317.01

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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.