Home / 40,660.45-60,955.59-19,571.47

Finding the Fourth Proportional to 40,660.45, 60,955.59 and 19,571.47

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Solution

The fourth proportional to 40,660.45, 60,955.59 and 19,571.47 is: 29,340.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,660.45 : 60,955.59 = 19,571.47 : x
  2. Step 2: Convert to fraction form
    40,660.45/60,955.59 = 19,571.47/x
  3. Step 3: Cross multiply
    40,660.45x = 60,955.59 × 19,571.47
  4. Step 4: Simplify right side
    40,660.45x = 1,192,990,501.02
  5. Step 5: Solve for x
    x = 1,192,990,501.02/40,660.45
  6. Step 6: Final answer
    x = 29,340.32

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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.