Home / 54,384.60-75,050.31-30,511.27

Finding the Fourth Proportional to 54,384.60, 75,050.31 and 30,511.27

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Solution

The fourth proportional to 54,384.60, 75,050.31 and 30,511.27 is: 42,105.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,384.60 : 75,050.31 = 30,511.27 : x
  2. Step 2: Convert to fraction form
    54,384.60/75,050.31 = 30,511.27/x
  3. Step 3: Cross multiply
    54,384.60x = 75,050.31 × 30,511.27
  4. Step 4: Simplify right side
    54,384.60x = 2,289,880,271.99
  5. Step 5: Solve for x
    x = 2,289,880,271.99/54,384.60
  6. Step 6: Final answer
    x = 42,105.31

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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.