Home / 39,779.52-54,895.53-23,436.21

Finding the Fourth Proportional to 39,779.52, 54,895.53 and 23,436.21

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Solution

The fourth proportional to 39,779.52, 54,895.53 and 23,436.21 is: 32,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,779.52 : 54,895.53 = 23,436.21 : x
  2. Step 2: Convert to fraction form
    39,779.52/54,895.53 = 23,436.21/x
  3. Step 3: Cross multiply
    39,779.52x = 54,895.53 × 23,436.21
  4. Step 4: Simplify right side
    39,779.52x = 1,286,543,169.14
  5. Step 5: Solve for x
    x = 1,286,543,169.14/39,779.52
  6. Step 6: Final answer
    x = 32,341.85

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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.