Home / 31,364.86-46,985.78-18,189.56

Finding the Fourth Proportional to 31,364.86, 46,985.78 and 18,189.56

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Solution

The fourth proportional to 31,364.86, 46,985.78 and 18,189.56 is: 27,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,364.86 : 46,985.78 = 18,189.56 : x
  2. Step 2: Convert to fraction form
    31,364.86/46,985.78 = 18,189.56/x
  3. Step 3: Cross multiply
    31,364.86x = 46,985.78 × 18,189.56
  4. Step 4: Simplify right side
    31,364.86x = 854,650,338.58
  5. Step 5: Solve for x
    x = 854,650,338.58/31,364.86
  6. Step 6: Final answer
    x = 27,248.66

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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.