Home / 30,531.43-45,726.07-29,690.65

Finding the Fourth Proportional to 30,531.43, 45,726.07 and 29,690.65

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Solution

The fourth proportional to 30,531.43, 45,726.07 and 29,690.65 is: 44,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,531.43 : 45,726.07 = 29,690.65 : x
  2. Step 2: Convert to fraction form
    30,531.43/45,726.07 = 29,690.65/x
  3. Step 3: Cross multiply
    30,531.43x = 45,726.07 × 29,690.65
  4. Step 4: Simplify right side
    30,531.43x = 1,357,636,778.85
  5. Step 5: Solve for x
    x = 1,357,636,778.85/30,531.43
  6. Step 6: Final answer
    x = 44,466.86

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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.