Home / 61,209.60-84,447.37-38,550.00

Finding the Fourth Proportional to 61,209.60, 84,447.37 and 38,550.00

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Solution

The fourth proportional to 61,209.60, 84,447.37 and 38,550.00 is: 53,185.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,209.60 : 84,447.37 = 38,550.00 : x
  2. Step 2: Convert to fraction form
    61,209.60/84,447.37 = 38,550.00/x
  3. Step 3: Cross multiply
    61,209.60x = 84,447.37 × 38,550.00
  4. Step 4: Simplify right side
    61,209.60x = 3,255,446,369.94
  5. Step 5: Solve for x
    x = 3,255,446,369.94/61,209.60
  6. Step 6: Final answer
    x = 53,185.22

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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.