Home / 46,114.86-69,161.22-21,139.32

Finding the Fourth Proportional to 46,114.86, 69,161.22 and 21,139.32

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Solution

The fourth proportional to 46,114.86, 69,161.22 and 21,139.32 is: 31,703.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,114.86 : 69,161.22 = 21,139.32 : x
  2. Step 2: Convert to fraction form
    46,114.86/69,161.22 = 21,139.32/x
  3. Step 3: Cross multiply
    46,114.86x = 69,161.22 × 21,139.32
  4. Step 4: Simplify right side
    46,114.86x = 1,462,021,161.17
  5. Step 5: Solve for x
    x = 1,462,021,161.17/46,114.86
  6. Step 6: Final answer
    x = 31,703.91

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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.