Home / 55,435.20-83,136.12-29,125.56

Finding the Fourth Proportional to 55,435.20, 83,136.12 and 29,125.56

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Solution

The fourth proportional to 55,435.20, 83,136.12 and 29,125.56 is: 43,679.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,435.20 : 83,136.12 = 29,125.56 : x
  2. Step 2: Convert to fraction form
    55,435.20/83,136.12 = 29,125.56/x
  3. Step 3: Cross multiply
    55,435.20x = 83,136.12 × 29,125.56
  4. Step 4: Simplify right side
    55,435.20x = 2,421,386,051.23
  5. Step 5: Solve for x
    x = 2,421,386,051.23/55,435.20
  6. Step 6: Final answer
    x = 43,679.58

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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.