Home / 53,448.51-73,766.73-30,783.09

Finding the Fourth Proportional to 53,448.51, 73,766.73 and 30,783.09

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Solution

The fourth proportional to 53,448.51, 73,766.73 and 30,783.09 is: 42,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,448.51 : 73,766.73 = 30,783.09 : x
  2. Step 2: Convert to fraction form
    53,448.51/73,766.73 = 30,783.09/x
  3. Step 3: Cross multiply
    53,448.51x = 73,766.73 × 30,783.09
  4. Step 4: Simplify right side
    53,448.51x = 2,270,768,280.66
  5. Step 5: Solve for x
    x = 2,270,768,280.66/53,448.51
  6. Step 6: Final answer
    x = 42,485.15

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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.