Home / 30,720.64-46,079.32-15,133

Finding the Fourth Proportional to 30,720.64, 46,079.32 and 15,133

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Solution

The fourth proportional to 30,720.64, 46,079.32 and 15,133 is: 22,698.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,720.64 : 46,079.32 = 15,133 : x
  2. Step 2: Convert to fraction form
    30,720.64/46,079.32 = 15,133/x
  3. Step 3: Cross multiply
    30,720.64x = 46,079.32 × 15,133
  4. Step 4: Simplify right side
    30,720.64x = 697,318,349.56
  5. Step 5: Solve for x
    x = 697,318,349.56/30,720.64
  6. Step 6: Final answer
    x = 22,698.69

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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.