Home / 37,313.53-51,491.37-20,317.50

Finding the Fourth Proportional to 37,313.53, 51,491.37 and 20,317.50

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Solution

The fourth proportional to 37,313.53, 51,491.37 and 20,317.50 is: 28,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,313.53 : 51,491.37 = 20,317.50 : x
  2. Step 2: Convert to fraction form
    37,313.53/51,491.37 = 20,317.50/x
  3. Step 3: Cross multiply
    37,313.53x = 51,491.37 × 20,317.50
  4. Step 4: Simplify right side
    37,313.53x = 1,046,175,986.17
  5. Step 5: Solve for x
    x = 1,046,175,986.17/37,313.53
  6. Step 6: Final answer
    x = 28,037.45

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1.5x scale

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.