Home / 52,025.60-71,804.64-30,815.36

Finding the Fourth Proportional to 52,025.60, 71,804.64 and 30,815.36

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Solution

The fourth proportional to 52,025.60, 71,804.64 and 30,815.36 is: 42,530.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,025.60 : 71,804.64 = 30,815.36 : x
  2. Step 2: Convert to fraction form
    52,025.60/71,804.64 = 30,815.36/x
  3. Step 3: Cross multiply
    52,025.60x = 71,804.64 × 30,815.36
  4. Step 4: Simplify right side
    52,025.60x = 2,212,685,831.27
  5. Step 5: Solve for x
    x = 2,212,685,831.27/52,025.60
  6. Step 6: Final answer
    x = 42,530.71

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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.