Home / 37,345-51,537.18-20,579.08

Finding the Fourth Proportional to 37,345, 51,537.18 and 20,579.08

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Solution

The fourth proportional to 37,345, 51,537.18 and 20,579.08 is: 28,399.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,345 : 51,537.18 = 20,579.08 : x
  2. Step 2: Convert to fraction form
    37,345/51,537.18 = 20,579.08/x
  3. Step 3: Cross multiply
    37,345x = 51,537.18 × 20,579.08
  4. Step 4: Simplify right side
    37,345x = 1,060,587,750.19
  5. Step 5: Solve for x
    x = 1,060,587,750.19/37,345
  6. Step 6: Final answer
    x = 28,399.73

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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.