Home / 52,078.81-71,815-44,550.06

Finding the Fourth Proportional to 52,078.81, 71,815 and 44,550.06

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Solution

The fourth proportional to 52,078.81, 71,815 and 44,550.06 is: 61,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,078.81 : 71,815 = 44,550.06 : x
  2. Step 2: Convert to fraction form
    52,078.81/71,815 = 44,550.06/x
  3. Step 3: Cross multiply
    52,078.81x = 71,815 × 44,550.06
  4. Step 4: Simplify right side
    52,078.81x = 3,199,362,558.90
  5. Step 5: Solve for x
    x = 3,199,362,558.90/52,078.81
  6. Step 6: Final answer
    x = 61,433.10

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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.