Home / 39,011.61-58,517.37-12,716.31

Finding the Fourth Proportional to 39,011.61, 58,517.37 and 12,716.31

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Solution

The fourth proportional to 39,011.61, 58,517.37 and 12,716.31 is: 19,074.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,011.61 : 58,517.37 = 12,716.31 : x
  2. Step 2: Convert to fraction form
    39,011.61/58,517.37 = 12,716.31/x
  3. Step 3: Cross multiply
    39,011.61x = 58,517.37 × 12,716.31
  4. Step 4: Simplify right side
    39,011.61x = 744,125,017.30
  5. Step 5: Solve for x
    x = 744,125,017.30/39,011.61
  6. Step 6: Final answer
    x = 19,074.45

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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.