Home / 47,928.93-71,883.50-12,860.25

Finding the Fourth Proportional to 47,928.93, 71,883.50 and 12,860.25

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Solution

The fourth proportional to 47,928.93, 71,883.50 and 12,860.25 is: 19,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,928.93 : 71,883.50 = 12,860.25 : x
  2. Step 2: Convert to fraction form
    47,928.93/71,883.50 = 12,860.25/x
  3. Step 3: Cross multiply
    47,928.93x = 71,883.50 × 12,860.25
  4. Step 4: Simplify right side
    47,928.93x = 924,439,716.57
  5. Step 5: Solve for x
    x = 924,439,716.57/47,928.93
  6. Step 6: Final answer
    x = 19,287.72

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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.