Home / 62,739.09-86,580.09-34,446.60

Finding the Fourth Proportional to 62,739.09, 86,580.09 and 34,446.60

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Solution

The fourth proportional to 62,739.09, 86,580.09 and 34,446.60 is: 47,536.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,739.09 : 86,580.09 = 34,446.60 : x
  2. Step 2: Convert to fraction form
    62,739.09/86,580.09 = 34,446.60/x
  3. Step 3: Cross multiply
    62,739.09x = 86,580.09 × 34,446.60
  4. Step 4: Simplify right side
    62,739.09x = 2,982,389,728.19
  5. Step 5: Solve for x
    x = 2,982,389,728.19/62,739.09
  6. Step 6: Final answer
    x = 47,536.39

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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.