Home / 56,387.21-84,590.33-18,950.85

Finding the Fourth Proportional to 56,387.21, 84,590.33 and 18,950.85

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Solution

The fourth proportional to 56,387.21, 84,590.33 and 18,950.85 is: 28,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,387.21 : 84,590.33 = 18,950.85 : x
  2. Step 2: Convert to fraction form
    56,387.21/84,590.33 = 18,950.85/x
  3. Step 3: Cross multiply
    56,387.21x = 84,590.33 × 18,950.85
  4. Step 4: Simplify right side
    56,387.21x = 1,603,058,560.53
  5. Step 5: Solve for x
    x = 1,603,058,560.53/56,387.21
  6. Step 6: Final answer
    x = 28,429.47

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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.