Home / 50,472.30-75,706.10-18,880.06

Finding the Fourth Proportional to 50,472.30, 75,706.10 and 18,880.06

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Solution

The fourth proportional to 50,472.30, 75,706.10 and 18,880.06 is: 28,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,472.30 : 75,706.10 = 18,880.06 : x
  2. Step 2: Convert to fraction form
    50,472.30/75,706.10 = 18,880.06/x
  3. Step 3: Cross multiply
    50,472.30x = 75,706.10 × 18,880.06
  4. Step 4: Simplify right side
    50,472.30x = 1,429,335,710.37
  5. Step 5: Solve for x
    x = 1,429,335,710.37/50,472.30
  6. Step 6: Final answer
    x = 28,319.21

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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.