Home / 38,088.42-57,136.41-13,125.12

Finding the Fourth Proportional to 38,088.42, 57,136.41 and 13,125.12

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Solution

The fourth proportional to 38,088.42, 57,136.41 and 13,125.12 is: 19,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,088.42 : 57,136.41 = 13,125.12 : x
  2. Step 2: Convert to fraction form
    38,088.42/57,136.41 = 13,125.12/x
  3. Step 3: Cross multiply
    38,088.42x = 57,136.41 × 13,125.12
  4. Step 4: Simplify right side
    38,088.42x = 749,922,237.62
  5. Step 5: Solve for x
    x = 749,922,237.62/38,088.42
  6. Step 6: Final answer
    x = 19,688.98

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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.