Home / 39,707.37-54,759.57-26,979.60

Finding the Fourth Proportional to 39,707.37, 54,759.57 and 26,979.60

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Solution

The fourth proportional to 39,707.37, 54,759.57 and 26,979.60 is: 37,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,707.37 : 54,759.57 = 26,979.60 : x
  2. Step 2: Convert to fraction form
    39,707.37/54,759.57 = 26,979.60/x
  3. Step 3: Cross multiply
    39,707.37x = 54,759.57 × 26,979.60
  4. Step 4: Simplify right side
    39,707.37x = 1,477,391,294.77
  5. Step 5: Solve for x
    x = 1,477,391,294.77/39,707.37
  6. Step 6: Final answer
    x = 37,206.98

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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.