Home / 31,040.24-42,835.70-16,893.05

Finding the Fourth Proportional to 31,040.24, 42,835.70 and 16,893.05

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Solution

The fourth proportional to 31,040.24, 42,835.70 and 16,893.05 is: 23,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,040.24 : 42,835.70 = 16,893.05 : x
  2. Step 2: Convert to fraction form
    31,040.24/42,835.70 = 16,893.05/x
  3. Step 3: Cross multiply
    31,040.24x = 42,835.70 × 16,893.05
  4. Step 4: Simplify right side
    31,040.24x = 723,625,449.94
  5. Step 5: Solve for x
    x = 723,625,449.94/31,040.24
  6. Step 6: Final answer
    x = 23,312.50

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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.