Home / 37,420.65-56,090.81-18,663.64

Finding the Fourth Proportional to 37,420.65, 56,090.81 and 18,663.64

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Solution

The fourth proportional to 37,420.65, 56,090.81 and 18,663.64 is: 27,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,420.65 : 56,090.81 = 18,663.64 : x
  2. Step 2: Convert to fraction form
    37,420.65/56,090.81 = 18,663.64/x
  3. Step 3: Cross multiply
    37,420.65x = 56,090.81 × 18,663.64
  4. Step 4: Simplify right side
    37,420.65x = 1,046,858,311.38
  5. Step 5: Solve for x
    x = 1,046,858,311.38/37,420.65
  6. Step 6: Final answer
    x = 27,975.42

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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.