Home / 47,638.40-71,460.94-14,358.74

Finding the Fourth Proportional to 47,638.40, 71,460.94 and 14,358.74

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Solution

The fourth proportional to 47,638.40, 71,460.94 and 14,358.74 is: 21,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,638.40 : 71,460.94 = 14,358.74 : x
  2. Step 2: Convert to fraction form
    47,638.40/71,460.94 = 14,358.74/x
  3. Step 3: Cross multiply
    47,638.40x = 71,460.94 × 14,358.74
  4. Step 4: Simplify right side
    47,638.40x = 1,026,089,075.56
  5. Step 5: Solve for x
    x = 1,026,089,075.56/47,638.40
  6. Step 6: Final answer
    x = 21,539.12

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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.