Home / 37,408.13-51,624.30-20,642.21

Finding the Fourth Proportional to 37,408.13, 51,624.30 and 20,642.21

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Solution

The fourth proportional to 37,408.13, 51,624.30 and 20,642.21 is: 28,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,408.13 : 51,624.30 = 20,642.21 : x
  2. Step 2: Convert to fraction form
    37,408.13/51,624.30 = 20,642.21/x
  3. Step 3: Cross multiply
    37,408.13x = 51,624.30 × 20,642.21
  4. Step 4: Simplify right side
    37,408.13x = 1,065,639,641.70
  5. Step 5: Solve for x
    x = 1,065,639,641.70/37,408.13
  6. Step 6: Final answer
    x = 28,486.85

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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.