Home / 48,155.72-72,228.09-18,571.07

Finding the Fourth Proportional to 48,155.72, 72,228.09 and 18,571.07

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Solution

The fourth proportional to 48,155.72, 72,228.09 and 18,571.07 is: 27,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,155.72 : 72,228.09 = 18,571.07 : x
  2. Step 2: Convert to fraction form
    48,155.72/72,228.09 = 18,571.07/x
  3. Step 3: Cross multiply
    48,155.72x = 72,228.09 × 18,571.07
  4. Step 4: Simplify right side
    48,155.72x = 1,341,352,554.22
  5. Step 5: Solve for x
    x = 1,341,352,554.22/48,155.72
  6. Step 6: Final answer
    x = 27,854.48

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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.