Home / 76,532.32-114,807.08-20,374.62

Finding the Fourth Proportional to 76,532.32, 114,807.08 and 20,374.62

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Solution

The fourth proportional to 76,532.32, 114,807.08 and 20,374.62 is: 30,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,532.32 : 114,807.08 = 20,374.62 : x
  2. Step 2: Convert to fraction form
    76,532.32/114,807.08 = 20,374.62/x
  3. Step 3: Cross multiply
    76,532.32x = 114,807.08 × 20,374.62
  4. Step 4: Simplify right side
    76,532.32x = 2,339,150,628.31
  5. Step 5: Solve for x
    x = 2,339,150,628.31/76,532.32
  6. Step 6: Final answer
    x = 30,564.22

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1.5x scale

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.