Home / 37,939.80-56,909.70-13,315.80

Finding the Fourth Proportional to 37,939.80, 56,909.70 and 13,315.80

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Solution

The fourth proportional to 37,939.80, 56,909.70 and 13,315.80 is: 19,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,939.80 : 56,909.70 = 13,315.80 : x
  2. Step 2: Convert to fraction form
    37,939.80/56,909.70 = 13,315.80/x
  3. Step 3: Cross multiply
    37,939.80x = 56,909.70 × 13,315.80
  4. Step 4: Simplify right side
    37,939.80x = 757,798,183.26
  5. Step 5: Solve for x
    x = 757,798,183.26/37,939.80
  6. Step 6: Final answer
    x = 19,973.70

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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.