Home / 37,915.63-52,324.11-20,920.61

Finding the Fourth Proportional to 37,915.63, 52,324.11 and 20,920.61

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Solution

The fourth proportional to 37,915.63, 52,324.11 and 20,920.61 is: 28,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,915.63 : 52,324.11 = 20,920.61 : x
  2. Step 2: Convert to fraction form
    37,915.63/52,324.11 = 20,920.61/x
  3. Step 3: Cross multiply
    37,915.63x = 52,324.11 × 20,920.61
  4. Step 4: Simplify right side
    37,915.63x = 1,094,652,429.72
  5. Step 5: Solve for x
    x = 1,094,652,429.72/37,915.63
  6. Step 6: Final answer
    x = 28,870.75

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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.