Home / 76,565.00-114,838.38-20,409.32

Finding the Fourth Proportional to 76,565.00, 114,838.38 and 20,409.32

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Solution

The fourth proportional to 76,565.00, 114,838.38 and 20,409.32 is: 30,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,565.00 : 114,838.38 = 20,409.32 : x
  2. Step 2: Convert to fraction form
    76,565.00/114,838.38 = 20,409.32/x
  3. Step 3: Cross multiply
    76,565.00x = 114,838.38 × 20,409.32
  4. Step 4: Simplify right side
    76,565.00x = 2,343,772,671.51
  5. Step 5: Solve for x
    x = 2,343,772,671.51/76,565.00
  6. Step 6: Final answer
    x = 30,611.54

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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.