Home / 30,364.32-45,555.12-21,573.12

Finding the Fourth Proportional to 30,364.32, 45,555.12 and 21,573.12

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Solution

The fourth proportional to 30,364.32, 45,555.12 and 21,573.12 is: 32,365.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,364.32 : 45,555.12 = 21,573.12 : x
  2. Step 2: Convert to fraction form
    30,364.32/45,555.12 = 21,573.12/x
  3. Step 3: Cross multiply
    30,364.32x = 45,555.12 × 21,573.12
  4. Step 4: Simplify right side
    30,364.32x = 982,766,070.37
  5. Step 5: Solve for x
    x = 982,766,070.37/30,364.32
  6. Step 6: Final answer
    x = 32,365.82

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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.