Home / 42,136.89-58,134.96-27,803.84

Finding the Fourth Proportional to 42,136.89, 58,134.96 and 27,803.84

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Solution

The fourth proportional to 42,136.89, 58,134.96 and 27,803.84 is: 38,360.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,136.89 : 58,134.96 = 27,803.84 : x
  2. Step 2: Convert to fraction form
    42,136.89/58,134.96 = 27,803.84/x
  3. Step 3: Cross multiply
    42,136.89x = 58,134.96 × 27,803.84
  4. Step 4: Simplify right side
    42,136.89x = 1,616,374,835.57
  5. Step 5: Solve for x
    x = 1,616,374,835.57/42,136.89
  6. Step 6: Final answer
    x = 38,360.09

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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.