Home / 50,638.72-75,934.99-21,038.89

Finding the Fourth Proportional to 50,638.72, 75,934.99 and 21,038.89

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Solution

The fourth proportional to 50,638.72, 75,934.99 and 21,038.89 is: 31,548.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,638.72 : 75,934.99 = 21,038.89 : x
  2. Step 2: Convert to fraction form
    50,638.72/75,934.99 = 21,038.89/x
  3. Step 3: Cross multiply
    50,638.72x = 75,934.99 × 21,038.89
  4. Step 4: Simplify right side
    50,638.72x = 1,597,587,901.76
  5. Step 5: Solve for x
    x = 1,597,587,901.76/50,638.72
  6. Step 6: Final answer
    x = 31,548.74

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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.