Home / 47,670.12-71,510.85-12,610.08

Finding the Fourth Proportional to 47,670.12, 71,510.85 and 12,610.08

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Solution

The fourth proportional to 47,670.12, 71,510.85 and 12,610.08 is: 18,916.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,670.12 : 71,510.85 = 12,610.08 : x
  2. Step 2: Convert to fraction form
    47,670.12/71,510.85 = 12,610.08/x
  3. Step 3: Cross multiply
    47,670.12x = 71,510.85 × 12,610.08
  4. Step 4: Simplify right side
    47,670.12x = 901,757,539.37
  5. Step 5: Solve for x
    x = 901,757,539.37/47,670.12
  6. Step 6: Final answer
    x = 18,916.62

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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.