Home / 31,562.64-43,555.86-17,415.18

Finding the Fourth Proportional to 31,562.64, 43,555.86 and 17,415.18

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Solution

The fourth proportional to 31,562.64, 43,555.86 and 17,415.18 is: 24,032.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,562.64 : 43,555.86 = 17,415.18 : x
  2. Step 2: Convert to fraction form
    31,562.64/43,555.86 = 17,415.18/x
  3. Step 3: Cross multiply
    31,562.64x = 43,555.86 × 17,415.18
  4. Step 4: Simplify right side
    31,562.64x = 758,533,141.95
  5. Step 5: Solve for x
    x = 758,533,141.95/31,562.64
  6. Step 6: Final answer
    x = 24,032.63

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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.