Home / 47,765.40-71,666.55-14,485.74

Finding the Fourth Proportional to 47,765.40, 71,666.55 and 14,485.74

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Solution

The fourth proportional to 47,765.40, 71,666.55 and 14,485.74 is: 21,734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,765.40 : 71,666.55 = 14,485.74 : x
  2. Step 2: Convert to fraction form
    47,765.40/71,666.55 = 14,485.74/x
  3. Step 3: Cross multiply
    47,765.40x = 71,666.55 × 14,485.74
  4. Step 4: Simplify right side
    47,765.40x = 1,038,143,010.00
  5. Step 5: Solve for x
    x = 1,038,143,010.00/47,765.40
  6. Step 6: Final answer
    x = 21,734.21

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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.