Home / 56,736.74-85,017.29-38,975.91

Finding the Fourth Proportional to 56,736.74, 85,017.29 and 38,975.91

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Solution

The fourth proportional to 56,736.74, 85,017.29 and 38,975.91 is: 58,403.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,736.74 : 85,017.29 = 38,975.91 : x
  2. Step 2: Convert to fraction form
    56,736.74/85,017.29 = 38,975.91/x
  3. Step 3: Cross multiply
    56,736.74x = 85,017.29 × 38,975.91
  4. Step 4: Simplify right side
    56,736.74x = 3,313,626,048.60
  5. Step 5: Solve for x
    x = 3,313,626,048.60/56,736.74
  6. Step 6: Final answer
    x = 58,403.54

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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.