Home / 39,780.91-54,907.95-24,664.69

Finding the Fourth Proportional to 39,780.91, 54,907.95 and 24,664.69

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Solution

The fourth proportional to 39,780.91, 54,907.95 and 24,664.69 is: 34,043.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,780.91 : 54,907.95 = 24,664.69 : x
  2. Step 2: Convert to fraction form
    39,780.91/54,907.95 = 24,664.69/x
  3. Step 3: Cross multiply
    39,780.91x = 54,907.95 × 24,664.69
  4. Step 4: Simplify right side
    39,780.91x = 1,354,287,565.29
  5. Step 5: Solve for x
    x = 1,354,287,565.29/39,780.91
  6. Step 6: Final answer
    x = 34,043.65

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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.