Home / 30,089.26-45,079.21-12,527.65

Finding the Fourth Proportional to 30,089.26, 45,079.21 and 12,527.65

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Solution

The fourth proportional to 30,089.26, 45,079.21 and 12,527.65 is: 18,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,089.26 : 45,079.21 = 12,527.65 : x
  2. Step 2: Convert to fraction form
    30,089.26/45,079.21 = 12,527.65/x
  3. Step 3: Cross multiply
    30,089.26x = 45,079.21 × 12,527.65
  4. Step 4: Simplify right side
    30,089.26x = 564,736,565.16
  5. Step 5: Solve for x
    x = 564,736,565.16/30,089.26
  6. Step 6: Final answer
    x = 18,768.71

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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.