Home / 39,549.58-54,573.15-22,779.34

Finding the Fourth Proportional to 39,549.58, 54,573.15 and 22,779.34

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Solution

The fourth proportional to 39,549.58, 54,573.15 and 22,779.34 is: 31,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,549.58 : 54,573.15 = 22,779.34 : x
  2. Step 2: Convert to fraction form
    39,549.58/54,573.15 = 22,779.34/x
  3. Step 3: Cross multiply
    39,549.58x = 54,573.15 × 22,779.34
  4. Step 4: Simplify right side
    39,549.58x = 1,243,140,338.72
  5. Step 5: Solve for x
    x = 1,243,140,338.72/39,549.58
  6. Step 6: Final answer
    x = 31,432.45

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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.