Home / 39,502.86-54,511.74-21,594.30

Finding the Fourth Proportional to 39,502.86, 54,511.74 and 21,594.30

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Solution

The fourth proportional to 39,502.86, 54,511.74 and 21,594.30 is: 29,798.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,502.86 : 54,511.74 = 21,594.30 : x
  2. Step 2: Convert to fraction form
    39,502.86/54,511.74 = 21,594.30/x
  3. Step 3: Cross multiply
    39,502.86x = 54,511.74 × 21,594.30
  4. Step 4: Simplify right side
    39,502.86x = 1,177,142,867.08
  5. Step 5: Solve for x
    x = 1,177,142,867.08/39,502.86
  6. Step 6: Final answer
    x = 29,798.93

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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.