Home / 37,328.85-51,520.86-21,423.69

Finding the Fourth Proportional to 37,328.85, 51,520.86 and 21,423.69

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Solution

The fourth proportional to 37,328.85, 51,520.86 and 21,423.69 is: 29,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,328.85 : 51,520.86 = 21,423.69 : x
  2. Step 2: Convert to fraction form
    37,328.85/51,520.86 = 21,423.69/x
  3. Step 3: Cross multiply
    37,328.85x = 51,520.86 × 21,423.69
  4. Step 4: Simplify right side
    37,328.85x = 1,103,766,933.17
  5. Step 5: Solve for x
    x = 1,103,766,933.17/37,328.85
  6. Step 6: Final answer
    x = 29,568.74

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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.