Home / 31,285.86-43,177.59-17,859.14

Finding the Fourth Proportional to 31,285.86, 43,177.59 and 17,859.14

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Solution

The fourth proportional to 31,285.86, 43,177.59 and 17,859.14 is: 24,647.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,285.86 : 43,177.59 = 17,859.14 : x
  2. Step 2: Convert to fraction form
    31,285.86/43,177.59 = 17,859.14/x
  3. Step 3: Cross multiply
    31,285.86x = 43,177.59 × 17,859.14
  4. Step 4: Simplify right side
    31,285.86x = 771,114,563.39
  5. Step 5: Solve for x
    x = 771,114,563.39/31,285.86
  6. Step 6: Final answer
    x = 24,647.38

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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.