Home / 37,191.81-51,325.92-20,424.81

Finding the Fourth Proportional to 37,191.81, 51,325.92 and 20,424.81

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Solution

The fourth proportional to 37,191.81, 51,325.92 and 20,424.81 is: 28,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,191.81 : 51,325.92 = 20,424.81 : x
  2. Step 2: Convert to fraction form
    37,191.81/51,325.92 = 20,424.81/x
  3. Step 3: Cross multiply
    37,191.81x = 51,325.92 × 20,424.81
  4. Step 4: Simplify right side
    37,191.81x = 1,048,322,164.08
  5. Step 5: Solve for x
    x = 1,048,322,164.08/37,191.81
  6. Step 6: Final answer
    x = 28,186.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.