Home / 38,421.40-57,632.10-33,813.40

Finding the Fourth Proportional to 38,421.40, 57,632.10 and 33,813.40

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Solution

The fourth proportional to 38,421.40, 57,632.10 and 33,813.40 is: 50,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,421.40 : 57,632.10 = 33,813.40 : x
  2. Step 2: Convert to fraction form
    38,421.40/57,632.10 = 33,813.40/x
  3. Step 3: Cross multiply
    38,421.40x = 57,632.10 × 33,813.40
  4. Step 4: Simplify right side
    38,421.40x = 1,948,737,250.14
  5. Step 5: Solve for x
    x = 1,948,737,250.14/38,421.40
  6. Step 6: Final answer
    x = 50,720.10

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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.