Home / 31,510.80-43,483.77-17,363.70

Finding the Fourth Proportional to 31,510.80, 43,483.77 and 17,363.70

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Solution

The fourth proportional to 31,510.80, 43,483.77 and 17,363.70 is: 23,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,510.80 : 43,483.77 = 17,363.70 : x
  2. Step 2: Convert to fraction form
    31,510.80/43,483.77 = 17,363.70/x
  3. Step 3: Cross multiply
    31,510.80x = 43,483.77 × 17,363.70
  4. Step 4: Simplify right side
    31,510.80x = 755,039,137.15
  5. Step 5: Solve for x
    x = 755,039,137.15/31,510.80
  6. Step 6: Final answer
    x = 23,961.28

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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.