Home / 31,835.86-43,933.17-17,688.40

Finding the Fourth Proportional to 31,835.86, 43,933.17 and 17,688.40

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Solution

The fourth proportional to 31,835.86, 43,933.17 and 17,688.40 is: 24,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835.86 : 43,933.17 = 17,688.40 : x
  2. Step 2: Convert to fraction form
    31,835.86/43,933.17 = 17,688.40/x
  3. Step 3: Cross multiply
    31,835.86x = 43,933.17 × 17,688.40
  4. Step 4: Simplify right side
    31,835.86x = 777,107,484.23
  5. Step 5: Solve for x
    x = 777,107,484.23/31,835.86
  6. Step 6: Final answer
    x = 24,409.82

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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.