Home / 82,274.04-123,409.98-19,945.08

Finding the Fourth Proportional to 82,274.04, 123,409.98 and 19,945.08

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Solution

The fourth proportional to 82,274.04, 123,409.98 and 19,945.08 is: 29,917.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,274.04 : 123,409.98 = 19,945.08 : x
  2. Step 2: Convert to fraction form
    82,274.04/123,409.98 = 19,945.08/x
  3. Step 3: Cross multiply
    82,274.04x = 123,409.98 × 19,945.08
  4. Step 4: Simplify right side
    82,274.04x = 2,461,421,923.90
  5. Step 5: Solve for x
    x = 2,461,421,923.90/82,274.04
  6. Step 6: Final answer
    x = 29,917.36

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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.