Home / 57,328.29-85,975.83-19,886.85

Finding the Fourth Proportional to 57,328.29, 85,975.83 and 19,886.85

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Solution

The fourth proportional to 57,328.29, 85,975.83 and 19,886.85 is: 29,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,328.29 : 85,975.83 = 19,886.85 : x
  2. Step 2: Convert to fraction form
    57,328.29/85,975.83 = 19,886.85/x
  3. Step 3: Cross multiply
    57,328.29x = 85,975.83 × 19,886.85
  4. Step 4: Simplify right side
    57,328.29x = 1,709,788,434.84
  5. Step 5: Solve for x
    x = 1,709,788,434.84/57,328.29
  6. Step 6: Final answer
    x = 29,824.51

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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.