Home / 46,642.83-69,969.12-19,991.49

Finding the Fourth Proportional to 46,642.83, 69,969.12 and 19,991.49

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Solution

The fourth proportional to 46,642.83, 69,969.12 and 19,991.49 is: 29,989.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,642.83 : 69,969.12 = 19,991.49 : x
  2. Step 2: Convert to fraction form
    46,642.83/69,969.12 = 19,991.49/x
  3. Step 3: Cross multiply
    46,642.83x = 69,969.12 × 19,991.49
  4. Step 4: Simplify right side
    46,642.83x = 1,398,786,862.83
  5. Step 5: Solve for x
    x = 1,398,786,862.83/46,642.83
  6. Step 6: Final answer
    x = 29,989.32

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1.5x scale

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.