Home / 39,080.82-58,406.67-28,572.96

Finding the Fourth Proportional to 39,080.82, 58,406.67 and 28,572.96

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Solution

The fourth proportional to 39,080.82, 58,406.67 and 28,572.96 is: 42,702.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,080.82 : 58,406.67 = 28,572.96 : x
  2. Step 2: Convert to fraction form
    39,080.82/58,406.67 = 28,572.96/x
  3. Step 3: Cross multiply
    39,080.82x = 58,406.67 × 28,572.96
  4. Step 4: Simplify right side
    39,080.82x = 1,668,851,445.64
  5. Step 5: Solve for x
    x = 1,668,851,445.64/39,080.82
  6. Step 6: Final answer
    x = 42,702.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.