Home / 50,718.76-76,069.50-19,554.28

Finding the Fourth Proportional to 50,718.76, 76,069.50 and 19,554.28

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Solution

The fourth proportional to 50,718.76, 76,069.50 and 19,554.28 is: 29,328.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,718.76 : 76,069.50 = 19,554.28 : x
  2. Step 2: Convert to fraction form
    50,718.76/76,069.50 = 19,554.28/x
  3. Step 3: Cross multiply
    50,718.76x = 76,069.50 × 19,554.28
  4. Step 4: Simplify right side
    50,718.76x = 1,487,484,302.46
  5. Step 5: Solve for x
    x = 1,487,484,302.46/50,718.76
  6. Step 6: Final answer
    x = 29,328.09

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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.