Home / 31,077.23-42,887.07-16,930.08

Finding the Fourth Proportional to 31,077.23, 42,887.07 and 16,930.08

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Solution

The fourth proportional to 31,077.23, 42,887.07 and 16,930.08 is: 23,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,077.23 : 42,887.07 = 16,930.08 : x
  2. Step 2: Convert to fraction form
    31,077.23/42,887.07 = 16,930.08/x
  3. Step 3: Cross multiply
    31,077.23x = 42,887.07 × 16,930.08
  4. Step 4: Simplify right side
    31,077.23x = 726,081,526.07
  5. Step 5: Solve for x
    x = 726,081,526.07/31,077.23
  6. Step 6: Final answer
    x = 23,363.78

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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.