Home / 37,747.08-52,090.02-20,979

Finding the Fourth Proportional to 37,747.08, 52,090.02 and 20,979

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Solution

The fourth proportional to 37,747.08, 52,090.02 and 20,979 is: 28,950.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,747.08 : 52,090.02 = 20,979 : x
  2. Step 2: Convert to fraction form
    37,747.08/52,090.02 = 20,979/x
  3. Step 3: Cross multiply
    37,747.08x = 52,090.02 × 20,979
  4. Step 4: Simplify right side
    37,747.08x = 1,092,796,529.58
  5. Step 5: Solve for x
    x = 1,092,796,529.58/37,747.08
  6. Step 6: Final answer
    x = 28,950.49

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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.