Home / 31,675.60-47,586.90-29,975

Finding the Fourth Proportional to 31,675.60, 47,586.90 and 29,975

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Solution

The fourth proportional to 31,675.60, 47,586.90 and 29,975 is: 45,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675.60 : 47,586.90 = 29,975 : x
  2. Step 2: Convert to fraction form
    31,675.60/47,586.90 = 29,975/x
  3. Step 3: Cross multiply
    31,675.60x = 47,586.90 × 29,975
  4. Step 4: Simplify right side
    31,675.60x = 1,426,417,327.50
  5. Step 5: Solve for x
    x = 1,426,417,327.50/31,675.60
  6. Step 6: Final answer
    x = 45,032.05

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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.