Home / 37,673.28-51,990.48-20,678.04

Finding the Fourth Proportional to 37,673.28, 51,990.48 and 20,678.04

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Solution

The fourth proportional to 37,673.28, 51,990.48 and 20,678.04 is: 28,536.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,673.28 : 51,990.48 = 20,678.04 : x
  2. Step 2: Convert to fraction form
    37,673.28/51,990.48 = 20,678.04/x
  3. Step 3: Cross multiply
    37,673.28x = 51,990.48 × 20,678.04
  4. Step 4: Simplify right side
    37,673.28x = 1,075,061,225.06
  5. Step 5: Solve for x
    x = 1,075,061,225.06/37,673.28
  6. Step 6: Final answer
    x = 28,536.44

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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.