Home / 37,571.16-56,358.47-20,918.65

Finding the Fourth Proportional to 37,571.16, 56,358.47 and 20,918.65

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Solution

The fourth proportional to 37,571.16, 56,358.47 and 20,918.65 is: 31,378.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,571.16 : 56,358.47 = 20,918.65 : x
  2. Step 2: Convert to fraction form
    37,571.16/56,358.47 = 20,918.65/x
  3. Step 3: Cross multiply
    37,571.16x = 56,358.47 × 20,918.65
  4. Step 4: Simplify right side
    37,571.16x = 1,178,943,108.47
  5. Step 5: Solve for x
    x = 1,178,943,108.47/37,571.16
  6. Step 6: Final answer
    x = 31,378.94

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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.