Home / 47,927.16-71,890.74-18,354.06

Finding the Fourth Proportional to 47,927.16, 71,890.74 and 18,354.06

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Solution

The fourth proportional to 47,927.16, 71,890.74 and 18,354.06 is: 27,531.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,927.16 : 71,890.74 = 18,354.06 : x
  2. Step 2: Convert to fraction form
    47,927.16/71,890.74 = 18,354.06/x
  3. Step 3: Cross multiply
    47,927.16x = 71,890.74 × 18,354.06
  4. Step 4: Simplify right side
    47,927.16x = 1,319,486,955.40
  5. Step 5: Solve for x
    x = 1,319,486,955.40/47,927.16
  6. Step 6: Final answer
    x = 27,531.09

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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.