Home / 56,438.09-84,663.21-18,996.65

Finding the Fourth Proportional to 56,438.09, 84,663.21 and 18,996.65

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Solution

The fourth proportional to 56,438.09, 84,663.21 and 18,996.65 is: 28,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,438.09 : 84,663.21 = 18,996.65 : x
  2. Step 2: Convert to fraction form
    56,438.09/84,663.21 = 18,996.65/x
  3. Step 3: Cross multiply
    56,438.09x = 84,663.21 × 18,996.65
  4. Step 4: Simplify right side
    56,438.09x = 1,608,317,368.25
  5. Step 5: Solve for x
    x = 1,608,317,368.25/56,438.09
  6. Step 6: Final answer
    x = 28,497.02

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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.