Home / 39,113.94-58,658.58-12,812.64

Finding the Fourth Proportional to 39,113.94, 58,658.58 and 12,812.64

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Solution

The fourth proportional to 39,113.94, 58,658.58 and 12,812.64 is: 19,214.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,113.94 : 58,658.58 = 12,812.64 : x
  2. Step 2: Convert to fraction form
    39,113.94/58,658.58 = 12,812.64/x
  3. Step 3: Cross multiply
    39,113.94x = 58,658.58 × 12,812.64
  4. Step 4: Simplify right side
    39,113.94x = 751,571,268.45
  5. Step 5: Solve for x
    x = 751,571,268.45/39,113.94
  6. Step 6: Final answer
    x = 19,214.92

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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.