Home / 31,361.52-43,299.16-19,437.50

Finding the Fourth Proportional to 31,361.52, 43,299.16 and 19,437.50

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Solution

The fourth proportional to 31,361.52, 43,299.16 and 19,437.50 is: 26,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,361.52 : 43,299.16 = 19,437.50 : x
  2. Step 2: Convert to fraction form
    31,361.52/43,299.16 = 19,437.50/x
  3. Step 3: Cross multiply
    31,361.52x = 43,299.16 × 19,437.50
  4. Step 4: Simplify right side
    31,361.52x = 841,627,422.50
  5. Step 5: Solve for x
    x = 841,627,422.50/31,361.52
  6. Step 6: Final answer
    x = 26,836.31

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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.