Home / 37,678.25-51,996.48-20,684.15

Finding the Fourth Proportional to 37,678.25, 51,996.48 and 20,684.15

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Solution

The fourth proportional to 37,678.25, 51,996.48 and 20,684.15 is: 28,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,678.25 : 51,996.48 = 20,684.15 : x
  2. Step 2: Convert to fraction form
    37,678.25/51,996.48 = 20,684.15/x
  3. Step 3: Cross multiply
    37,678.25x = 51,996.48 × 20,684.15
  4. Step 4: Simplify right side
    37,678.25x = 1,075,502,731.81
  5. Step 5: Solve for x
    x = 1,075,502,731.81/37,678.25
  6. Step 6: Final answer
    x = 28,544.40

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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.