Home / 38,320.84-57,484.02-12,025.21

Finding the Fourth Proportional to 38,320.84, 57,484.02 and 12,025.21

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Solution

The fourth proportional to 38,320.84, 57,484.02 and 12,025.21 is: 18,038.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,320.84 : 57,484.02 = 12,025.21 : x
  2. Step 2: Convert to fraction form
    38,320.84/57,484.02 = 12,025.21/x
  3. Step 3: Cross multiply
    38,320.84x = 57,484.02 × 12,025.21
  4. Step 4: Simplify right side
    38,320.84x = 691,257,412.14
  5. Step 5: Solve for x
    x = 691,257,412.14/38,320.84
  6. Step 6: Final answer
    x = 18,038.68

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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.