Home / 50,585.55-75,908.70-21,000.30

Finding the Fourth Proportional to 50,585.55, 75,908.70 and 21,000.30

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Solution

The fourth proportional to 50,585.55, 75,908.70 and 21,000.30 is: 31,513.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,585.55 : 75,908.70 = 21,000.30 : x
  2. Step 2: Convert to fraction form
    50,585.55/75,908.70 = 21,000.30/x
  3. Step 3: Cross multiply
    50,585.55x = 75,908.70 × 21,000.30
  4. Step 4: Simplify right side
    50,585.55x = 1,594,105,472.61
  5. Step 5: Solve for x
    x = 1,594,105,472.61/50,585.55
  6. Step 6: Final answer
    x = 31,513.06

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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.