Home / 46,315.10-69,493.40-21,341.78

Finding the Fourth Proportional to 46,315.10, 69,493.40 and 21,341.78

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Solution

The fourth proportional to 46,315.10, 69,493.40 and 21,341.78 is: 32,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,315.10 : 69,493.40 = 21,341.78 : x
  2. Step 2: Convert to fraction form
    46,315.10/69,493.40 = 21,341.78/x
  3. Step 3: Cross multiply
    46,315.10x = 69,493.40 × 21,341.78
  4. Step 4: Simplify right side
    46,315.10x = 1,483,112,854.25
  5. Step 5: Solve for x
    x = 1,483,112,854.25/46,315.10
  6. Step 6: Final answer
    x = 32,022.23

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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.