Home / 42,366.58-63,550.31-12,784.66

Finding the Fourth Proportional to 42,366.58, 63,550.31 and 12,784.66

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Solution

The fourth proportional to 42,366.58, 63,550.31 and 12,784.66 is: 19,177.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,366.58 : 63,550.31 = 12,784.66 : x
  2. Step 2: Convert to fraction form
    42,366.58/63,550.31 = 12,784.66/x
  3. Step 3: Cross multiply
    42,366.58x = 63,550.31 × 12,784.66
  4. Step 4: Simplify right side
    42,366.58x = 812,468,883.45
  5. Step 5: Solve for x
    x = 812,468,883.45/42,366.58
  6. Step 6: Final answer
    x = 19,177.12

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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.