Home / 45,411.66-62,669.58-28,410.47

Finding the Fourth Proportional to 45,411.66, 62,669.58 and 28,410.47

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Solution

The fourth proportional to 45,411.66, 62,669.58 and 28,410.47 is: 39,207.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,411.66 : 62,669.58 = 28,410.47 : x
  2. Step 2: Convert to fraction form
    45,411.66/62,669.58 = 28,410.47/x
  3. Step 3: Cross multiply
    45,411.66x = 62,669.58 × 28,410.47
  4. Step 4: Simplify right side
    45,411.66x = 1,780,471,909.15
  5. Step 5: Solve for x
    x = 1,780,471,909.15/45,411.66
  6. Step 6: Final answer
    x = 39,207.37

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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.