Home / 49,285.04-68,021.04-31,387.76

Finding the Fourth Proportional to 49,285.04, 68,021.04 and 31,387.76

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Solution

The fourth proportional to 49,285.04, 68,021.04 and 31,387.76 is: 43,320.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,285.04 : 68,021.04 = 31,387.76 : x
  2. Step 2: Convert to fraction form
    49,285.04/68,021.04 = 31,387.76/x
  3. Step 3: Cross multiply
    49,285.04x = 68,021.04 × 31,387.76
  4. Step 4: Simplify right side
    49,285.04x = 2,135,028,078.47
  5. Step 5: Solve for x
    x = 2,135,028,078.47/49,285.04
  6. Step 6: Final answer
    x = 43,320.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.