Home / 47,578.79-65,596.50-40,935.78

Finding the Fourth Proportional to 47,578.79, 65,596.50 and 40,935.78

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Solution

The fourth proportional to 47,578.79, 65,596.50 and 40,935.78 is: 56,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,578.79 : 65,596.50 = 40,935.78 : x
  2. Step 2: Convert to fraction form
    47,578.79/65,596.50 = 40,935.78/x
  3. Step 3: Cross multiply
    47,578.79x = 65,596.50 × 40,935.78
  4. Step 4: Simplify right side
    47,578.79x = 2,685,243,892.77
  5. Step 5: Solve for x
    x = 2,685,243,892.77/47,578.79
  6. Step 6: Final answer
    x = 56,437.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.