Home / 46,433.24-64,130.10-31,388

Finding the Fourth Proportional to 46,433.24, 64,130.10 and 31,388

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Solution

The fourth proportional to 46,433.24, 64,130.10 and 31,388 is: 43,350.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,433.24 : 64,130.10 = 31,388 : x
  2. Step 2: Convert to fraction form
    46,433.24/64,130.10 = 31,388/x
  3. Step 3: Cross multiply
    46,433.24x = 64,130.10 × 31,388
  4. Step 4: Simplify right side
    46,433.24x = 2,012,915,578.80
  5. Step 5: Solve for x
    x = 2,012,915,578.80/46,433.24
  6. Step 6: Final answer
    x = 43,350.75

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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.