Home / 45,199.47-62,400.09-30,880.83

Finding the Fourth Proportional to 45,199.47, 62,400.09 and 30,880.83

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Solution

The fourth proportional to 45,199.47, 62,400.09 and 30,880.83 is: 42,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,199.47 : 62,400.09 = 30,880.83 : x
  2. Step 2: Convert to fraction form
    45,199.47/62,400.09 = 30,880.83/x
  3. Step 3: Cross multiply
    45,199.47x = 62,400.09 × 30,880.83
  4. Step 4: Simplify right side
    45,199.47x = 1,926,966,571.27
  5. Step 5: Solve for x
    x = 1,926,966,571.27/45,199.47
  6. Step 6: Final answer
    x = 42,632.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.