Home / 29,048.58-40,087.92-20,565.84

Finding the Fourth Proportional to 29,048.58, 40,087.92 and 20,565.84

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Solution

The fourth proportional to 29,048.58, 40,087.92 and 20,565.84 is: 28,381.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,048.58 : 40,087.92 = 20,565.84 : x
  2. Step 2: Convert to fraction form
    29,048.58/40,087.92 = 20,565.84/x
  3. Step 3: Cross multiply
    29,048.58x = 40,087.92 × 20,565.84
  4. Step 4: Simplify right side
    29,048.58x = 824,441,748.65
  5. Step 5: Solve for x
    x = 824,441,748.65/29,048.58
  6. Step 6: Final answer
    x = 28,381.48

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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.