Home / 37,621.12-51,916.80-20,853.04

Finding the Fourth Proportional to 37,621.12, 51,916.80 and 20,853.04

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Solution

The fourth proportional to 37,621.12, 51,916.80 and 20,853.04 is: 28,777.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,621.12 : 51,916.80 = 20,853.04 : x
  2. Step 2: Convert to fraction form
    37,621.12/51,916.80 = 20,853.04/x
  3. Step 3: Cross multiply
    37,621.12x = 51,916.80 × 20,853.04
  4. Step 4: Simplify right side
    37,621.12x = 1,082,623,107.07
  5. Step 5: Solve for x
    x = 1,082,623,107.07/37,621.12
  6. Step 6: Final answer
    x = 28,777.00

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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.