Home / 37,281.40-51,448.86-20,286.16

Finding the Fourth Proportional to 37,281.40, 51,448.86 and 20,286.16

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Solution

The fourth proportional to 37,281.40, 51,448.86 and 20,286.16 is: 27,995.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,281.40 : 51,448.86 = 20,286.16 : x
  2. Step 2: Convert to fraction form
    37,281.40/51,448.86 = 20,286.16/x
  3. Step 3: Cross multiply
    37,281.40x = 51,448.86 × 20,286.16
  4. Step 4: Simplify right side
    37,281.40x = 1,043,699,805.78
  5. Step 5: Solve for x
    x = 1,043,699,805.78/37,281.40
  6. Step 6: Final answer
    x = 27,995.19

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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.