Home / 35,381,064.90-48,827,879.09-21,256,571.68

Finding the Fourth Proportional to 35,381,064.90, 48,827,879.09 and 21,256,571.68

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Solution

The fourth proportional to 35,381,064.90, 48,827,879.09 and 21,256,571.68 is: 29,335,276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,381,064.90 : 48,827,879.09 = 21,256,571.68 : x
  2. Step 2: Convert to fraction form
    35,381,064.90/48,827,879.09 = 21,256,571.68/x
  3. Step 3: Cross multiply
    35,381,064.90x = 48,827,879.09 × 21,256,571.68
  4. Step 4: Simplify right side
    35,381,064.90x = 1,037,913,311,752,675.38
  5. Step 5: Solve for x
    x = 1,037,913,311,752,675.38/35,381,064.90
  6. Step 6: Final answer
    x = 29,335,276.22

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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.