Home / 50,631.84-75,966.90-21,047.19

Finding the Fourth Proportional to 50,631.84, 75,966.90 and 21,047.19

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Solution

The fourth proportional to 50,631.84, 75,966.90 and 21,047.19 is: 31,578.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,631.84 : 75,966.90 = 21,047.19 : x
  2. Step 2: Convert to fraction form
    50,631.84/75,966.90 = 21,047.19/x
  3. Step 3: Cross multiply
    50,631.84x = 75,966.90 × 21,047.19
  4. Step 4: Simplify right side
    50,631.84x = 1,598,889,778.01
  5. Step 5: Solve for x
    x = 1,598,889,778.01/50,631.84
  6. Step 6: Final answer
    x = 31,578.74

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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.