Home / 51,366.09-77,048.30-19,783.08

Finding the Fourth Proportional to 51,366.09, 77,048.30 and 19,783.08

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Solution

The fourth proportional to 51,366.09, 77,048.30 and 19,783.08 is: 29,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,366.09 : 77,048.30 = 19,783.08 : x
  2. Step 2: Convert to fraction form
    51,366.09/77,048.30 = 19,783.08/x
  3. Step 3: Cross multiply
    51,366.09x = 77,048.30 × 19,783.08
  4. Step 4: Simplify right side
    51,366.09x = 1,524,252,732.22
  5. Step 5: Solve for x
    x = 1,524,252,732.22/51,366.09
  6. Step 6: Final answer
    x = 29,674.30

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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.