Home / 47,970.89-71,915.30-18,409.94

Finding the Fourth Proportional to 47,970.89, 71,915.30 and 18,409.94

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Solution

The fourth proportional to 47,970.89, 71,915.30 and 18,409.94 is: 27,599.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,970.89 : 71,915.30 = 18,409.94 : x
  2. Step 2: Convert to fraction form
    47,970.89/71,915.30 = 18,409.94/x
  3. Step 3: Cross multiply
    47,970.89x = 71,915.30 × 18,409.94
  4. Step 4: Simplify right side
    47,970.89x = 1,323,956,358.08
  5. Step 5: Solve for x
    x = 1,323,956,358.08/47,970.89
  6. Step 6: Final answer
    x = 27,599.16

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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.