Home / 45,694.83-63,074.74-31,401.98

Finding the Fourth Proportional to 45,694.83, 63,074.74 and 31,401.98

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Solution

The fourth proportional to 45,694.83, 63,074.74 and 31,401.98 is: 43,345.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,694.83 : 63,074.74 = 31,401.98 : x
  2. Step 2: Convert to fraction form
    45,694.83/63,074.74 = 31,401.98/x
  3. Step 3: Cross multiply
    45,694.83x = 63,074.74 × 31,401.98
  4. Step 4: Simplify right side
    45,694.83x = 1,980,671,723.99
  5. Step 5: Solve for x
    x = 1,980,671,723.99/45,694.83
  6. Step 6: Final answer
    x = 43,345.64

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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.