Home / 40,915.48-61,373.28-12,837.69

Finding the Fourth Proportional to 40,915.48, 61,373.28 and 12,837.69

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Solution

The fourth proportional to 40,915.48, 61,373.28 and 12,837.69 is: 19,256.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,915.48 : 61,373.28 = 12,837.69 : x
  2. Step 2: Convert to fraction form
    40,915.48/61,373.28 = 12,837.69/x
  3. Step 3: Cross multiply
    40,915.48x = 61,373.28 × 12,837.69
  4. Step 4: Simplify right side
    40,915.48x = 787,890,771.87
  5. Step 5: Solve for x
    x = 787,890,771.87/40,915.48
  6. Step 6: Final answer
    x = 19,256.54

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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.