Home / 60,627.24-90,967.32-21,212.64

Finding the Fourth Proportional to 60,627.24, 90,967.32 and 21,212.64

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Solution

The fourth proportional to 60,627.24, 90,967.32 and 21,212.64 is: 31,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,627.24 : 90,967.32 = 21,212.64 : x
  2. Step 2: Convert to fraction form
    60,627.24/90,967.32 = 21,212.64/x
  3. Step 3: Cross multiply
    60,627.24x = 90,967.32 × 21,212.64
  4. Step 4: Simplify right side
    60,627.24x = 1,929,657,010.92
  5. Step 5: Solve for x
    x = 1,929,657,010.92/60,627.24
  6. Step 6: Final answer
    x = 31,828.22

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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.