Home / 56,390.96-77,782.18-36,273.40

Finding the Fourth Proportional to 56,390.96, 77,782.18 and 36,273.40

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Solution

The fourth proportional to 56,390.96, 77,782.18 and 36,273.40 is: 50,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,390.96 : 77,782.18 = 36,273.40 : x
  2. Step 2: Convert to fraction form
    56,390.96/77,782.18 = 36,273.40/x
  3. Step 3: Cross multiply
    56,390.96x = 77,782.18 × 36,273.40
  4. Step 4: Simplify right side
    56,390.96x = 2,821,424,128.01
  5. Step 5: Solve for x
    x = 2,821,424,128.01/56,390.96
  6. Step 6: Final answer
    x = 50,033.27

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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.