Home / 31,750.88-47,589.56-21,208.32

Finding the Fourth Proportional to 31,750.88, 47,589.56 and 21,208.32

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Solution

The fourth proportional to 31,750.88, 47,589.56 and 21,208.32 is: 31,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,750.88 : 47,589.56 = 21,208.32 : x
  2. Step 2: Convert to fraction form
    31,750.88/47,589.56 = 21,208.32/x
  3. Step 3: Cross multiply
    31,750.88x = 47,589.56 × 21,208.32
  4. Step 4: Simplify right side
    31,750.88x = 1,009,294,617.14
  5. Step 5: Solve for x
    x = 1,009,294,617.14/31,750.88
  6. Step 6: Final answer
    x = 31,787.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.