Home / 37,383.40-51,588.43-20,387.77

Finding the Fourth Proportional to 37,383.40, 51,588.43 and 20,387.77

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Solution

The fourth proportional to 37,383.40, 51,588.43 and 20,387.77 is: 28,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,383.40 : 51,588.43 = 20,387.77 : x
  2. Step 2: Convert to fraction form
    37,383.40/51,588.43 = 20,387.77/x
  3. Step 3: Cross multiply
    37,383.40x = 51,588.43 × 20,387.77
  4. Step 4: Simplify right side
    37,383.40x = 1,051,773,045.50
  5. Step 5: Solve for x
    x = 1,051,773,045.50/37,383.40
  6. Step 6: Final answer
    x = 28,134.76

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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.