Home / 31,361.64-43,299.32-19,437.63

Finding the Fourth Proportional to 31,361.64, 43,299.32 and 19,437.63

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Solution

The fourth proportional to 31,361.64, 43,299.32 and 19,437.63 is: 26,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,361.64 : 43,299.32 = 19,437.63 : x
  2. Step 2: Convert to fraction form
    31,361.64/43,299.32 = 19,437.63/x
  3. Step 3: Cross multiply
    31,361.64x = 43,299.32 × 19,437.63
  4. Step 4: Simplify right side
    31,361.64x = 841,636,161.41
  5. Step 5: Solve for x
    x = 841,636,161.41/31,361.64
  6. Step 6: Final answer
    x = 26,836.48

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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.