Home / 30,280.56-45,400.44-15,477.36

Finding the Fourth Proportional to 30,280.56, 45,400.44 and 15,477.36

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Solution

The fourth proportional to 30,280.56, 45,400.44 and 15,477.36 is: 23,205.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280.56 : 45,400.44 = 15,477.36 : x
  2. Step 2: Convert to fraction form
    30,280.56/45,400.44 = 15,477.36/x
  3. Step 3: Cross multiply
    30,280.56x = 45,400.44 × 15,477.36
  4. Step 4: Simplify right side
    30,280.56x = 702,678,954.04
  5. Step 5: Solve for x
    x = 702,678,954.04/30,280.56
  6. Step 6: Final answer
    x = 23,205.61

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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.