Home / 30,097.60-45,215.58-21,233.32

Finding the Fourth Proportional to 30,097.60, 45,215.58 and 21,233.32

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Solution

The fourth proportional to 30,097.60, 45,215.58 and 21,233.32 is: 31,898.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,097.60 : 45,215.58 = 21,233.32 : x
  2. Step 2: Convert to fraction form
    30,097.60/45,215.58 = 21,233.32/x
  3. Step 3: Cross multiply
    30,097.60x = 45,215.58 × 21,233.32
  4. Step 4: Simplify right side
    30,097.60x = 960,076,879.13
  5. Step 5: Solve for x
    x = 960,076,879.13/30,097.60
  6. Step 6: Final answer
    x = 31,898.79

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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.