Home / 51,632.04-71,243.58-30,415.56

Finding the Fourth Proportional to 51,632.04, 71,243.58 and 30,415.56

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Solution

The fourth proportional to 51,632.04, 71,243.58 and 30,415.56 is: 41,968.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,632.04 : 71,243.58 = 30,415.56 : x
  2. Step 2: Convert to fraction form
    51,632.04/71,243.58 = 30,415.56/x
  3. Step 3: Cross multiply
    51,632.04x = 71,243.58 × 30,415.56
  4. Step 4: Simplify right side
    51,632.04x = 2,166,913,382.10
  5. Step 5: Solve for x
    x = 2,166,913,382.10/51,632.04
  6. Step 6: Final answer
    x = 41,968.39

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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.