Home / 48,268.80-72,407.36-13,208.32

Finding the Fourth Proportional to 48,268.80, 72,407.36 and 13,208.32

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Solution

The fourth proportional to 48,268.80, 72,407.36 and 13,208.32 is: 19,813.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,268.80 : 72,407.36 = 13,208.32 : x
  2. Step 2: Convert to fraction form
    48,268.80/72,407.36 = 13,208.32/x
  3. Step 3: Cross multiply
    48,268.80x = 72,407.36 × 13,208.32
  4. Step 4: Simplify right side
    48,268.80x = 956,379,581.24
  5. Step 5: Solve for x
    x = 956,379,581.24/48,268.80
  6. Step 6: Final answer
    x = 19,813.62

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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.