Home / 35,915.67-53,883.23-12,543.93

Finding the Fourth Proportional to 35,915.67, 53,883.23 and 12,543.93

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Solution

The fourth proportional to 35,915.67, 53,883.23 and 12,543.93 is: 18,819.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.67 : 53,883.23 = 12,543.93 : x
  2. Step 2: Convert to fraction form
    35,915.67/53,883.23 = 12,543.93/x
  3. Step 3: Cross multiply
    35,915.67x = 53,883.23 × 12,543.93
  4. Step 4: Simplify right side
    35,915.67x = 675,907,465.29
  5. Step 5: Solve for x
    x = 675,907,465.29/35,915.67
  6. Step 6: Final answer
    x = 18,819.29

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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.