Home / 35,586.25-49,109.11-21,439.69

Finding the Fourth Proportional to 35,586.25, 49,109.11 and 21,439.69

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Solution

The fourth proportional to 35,586.25, 49,109.11 and 21,439.69 is: 29,586.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,586.25 : 49,109.11 = 21,439.69 : x
  2. Step 2: Convert to fraction form
    35,586.25/49,109.11 = 21,439.69/x
  3. Step 3: Cross multiply
    35,586.25x = 49,109.11 × 21,439.69
  4. Step 4: Simplify right side
    35,586.25x = 1,052,884,094.58
  5. Step 5: Solve for x
    x = 1,052,884,094.58/35,586.25
  6. Step 6: Final answer
    x = 29,586.82

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1.5x scale

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.