Home / 31,553.90-47,246.40-19,056.42

Finding the Fourth Proportional to 31,553.90, 47,246.40 and 19,056.42

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Solution

The fourth proportional to 31,553.90, 47,246.40 and 19,056.42 is: 28,533.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.90 : 47,246.40 = 19,056.42 : x
  2. Step 2: Convert to fraction form
    31,553.90/47,246.40 = 19,056.42/x
  3. Step 3: Cross multiply
    31,553.90x = 47,246.40 × 19,056.42
  4. Step 4: Simplify right side
    31,553.90x = 900,347,241.89
  5. Step 5: Solve for x
    x = 900,347,241.89/31,553.90
  6. Step 6: Final answer
    x = 28,533.63

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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.