Home / 37,698.85-56,549.64-12,739.71

Finding the Fourth Proportional to 37,698.85, 56,549.64 and 12,739.71

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Solution

The fourth proportional to 37,698.85, 56,549.64 and 12,739.71 is: 19,110.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,698.85 : 56,549.64 = 12,739.71 : x
  2. Step 2: Convert to fraction form
    37,698.85/56,549.64 = 12,739.71/x
  3. Step 3: Cross multiply
    37,698.85x = 56,549.64 × 12,739.71
  4. Step 4: Simplify right side
    37,698.85x = 720,426,274.04
  5. Step 5: Solve for x
    x = 720,426,274.04/37,698.85
  6. Step 6: Final answer
    x = 19,110.03

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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.