Home / 31,278.60-46,801.26-30,928.68

Finding the Fourth Proportional to 31,278.60, 46,801.26 and 30,928.68

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Solution

The fourth proportional to 31,278.60, 46,801.26 and 30,928.68 is: 46,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,278.60 : 46,801.26 = 30,928.68 : x
  2. Step 2: Convert to fraction form
    31,278.60/46,801.26 = 30,928.68/x
  3. Step 3: Cross multiply
    31,278.60x = 46,801.26 × 30,928.68
  4. Step 4: Simplify right side
    31,278.60x = 1,447,501,194.14
  5. Step 5: Solve for x
    x = 1,447,501,194.14/31,278.60
  6. Step 6: Final answer
    x = 46,277.68

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1.5x scale

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.