Home / 42,950.28-64,367.10-31,898.64

Finding the Fourth Proportional to 42,950.28, 64,367.10 and 31,898.64

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Solution

The fourth proportional to 42,950.28, 64,367.10 and 31,898.64 is: 47,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,950.28 : 64,367.10 = 31,898.64 : x
  2. Step 2: Convert to fraction form
    42,950.28/64,367.10 = 31,898.64/x
  3. Step 3: Cross multiply
    42,950.28x = 64,367.10 × 31,898.64
  4. Step 4: Simplify right side
    42,950.28x = 2,053,222,950.74
  5. Step 5: Solve for x
    x = 2,053,222,950.74/42,950.28
  6. Step 6: Final answer
    x = 47,804.65

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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.