Home / 37,816.40-56,730.60-12,858.80

Finding the Fourth Proportional to 37,816.40, 56,730.60 and 12,858.80

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Solution

The fourth proportional to 37,816.40, 56,730.60 and 12,858.80 is: 19,290.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,816.40 : 56,730.60 = 12,858.80 : x
  2. Step 2: Convert to fraction form
    37,816.40/56,730.60 = 12,858.80/x
  3. Step 3: Cross multiply
    37,816.40x = 56,730.60 × 12,858.80
  4. Step 4: Simplify right side
    37,816.40x = 729,487,439.28
  5. Step 5: Solve for x
    x = 729,487,439.28/37,816.40
  6. Step 6: Final answer
    x = 19,290.24

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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.