Home / 34,588.71-51,832.85-18,780.35

Finding the Fourth Proportional to 34,588.71, 51,832.85 and 18,780.35

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Solution

The fourth proportional to 34,588.71, 51,832.85 and 18,780.35 is: 28,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,588.71 : 51,832.85 = 18,780.35 : x
  2. Step 2: Convert to fraction form
    34,588.71/51,832.85 = 18,780.35/x
  3. Step 3: Cross multiply
    34,588.71x = 51,832.85 × 18,780.35
  4. Step 4: Simplify right side
    34,588.71x = 973,438,711.43
  5. Step 5: Solve for x
    x = 973,438,711.43/34,588.71
  6. Step 6: Final answer
    x = 28,143.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.