Home / 35,943.30-53,915.28-12,569.82

Finding the Fourth Proportional to 35,943.30, 53,915.28 and 12,569.82

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Solution

The fourth proportional to 35,943.30, 53,915.28 and 12,569.82 is: 18,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,943.30 : 53,915.28 = 12,569.82 : x
  2. Step 2: Convert to fraction form
    35,943.30/53,915.28 = 12,569.82/x
  3. Step 3: Cross multiply
    35,943.30x = 53,915.28 × 12,569.82
  4. Step 4: Simplify right side
    35,943.30x = 677,705,364.85
  5. Step 5: Solve for x
    x = 677,705,364.85/35,943.30
  6. Step 6: Final answer
    x = 18,854.85

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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.