Home / 47,342.40-71,013.60-26,563.20

Finding the Fourth Proportional to 47,342.40, 71,013.60 and 26,563.20

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Solution

The fourth proportional to 47,342.40, 71,013.60 and 26,563.20 is: 39,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,342.40 : 71,013.60 = 26,563.20 : x
  2. Step 2: Convert to fraction form
    47,342.40/71,013.60 = 26,563.20/x
  3. Step 3: Cross multiply
    47,342.40x = 71,013.60 × 26,563.20
  4. Step 4: Simplify right side
    47,342.40x = 1,886,348,459.52
  5. Step 5: Solve for x
    x = 1,886,348,459.52/47,342.40
  6. Step 6: Final answer
    x = 39,844.80

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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.