Home / 38,136.93-57,130.89-18,117.93

Finding the Fourth Proportional to 38,136.93, 57,130.89 and 18,117.93

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Solution

The fourth proportional to 38,136.93, 57,130.89 and 18,117.93 is: 27,141.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,136.93 : 57,130.89 = 18,117.93 : x
  2. Step 2: Convert to fraction form
    38,136.93/57,130.89 = 18,117.93/x
  3. Step 3: Cross multiply
    38,136.93x = 57,130.89 × 18,117.93
  4. Step 4: Simplify right side
    38,136.93x = 1,035,093,443.67
  5. Step 5: Solve for x
    x = 1,035,093,443.67/38,136.93
  6. Step 6: Final answer
    x = 27,141.50

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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.