Home / 31,280.12-43,164.87-17,852.63

Finding the Fourth Proportional to 31,280.12, 43,164.87 and 17,852.63

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Solution

The fourth proportional to 31,280.12, 43,164.87 and 17,852.63 is: 24,635.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.12 : 43,164.87 = 17,852.63 : x
  2. Step 2: Convert to fraction form
    31,280.12/43,164.87 = 17,852.63/x
  3. Step 3: Cross multiply
    31,280.12x = 43,164.87 × 17,852.63
  4. Step 4: Simplify right side
    31,280.12x = 770,606,453.11
  5. Step 5: Solve for x
    x = 770,606,453.11/31,280.12
  6. Step 6: Final answer
    x = 24,635.66

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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.