Home / 32,421.78-48,494.43-19,911.06

Finding the Fourth Proportional to 32,421.78, 48,494.43 and 19,911.06

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Solution

The fourth proportional to 32,421.78, 48,494.43 and 19,911.06 is: 29,781.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,421.78 : 48,494.43 = 19,911.06 : x
  2. Step 2: Convert to fraction form
    32,421.78/48,494.43 = 19,911.06/x
  3. Step 3: Cross multiply
    32,421.78x = 48,494.43 × 19,911.06
  4. Step 4: Simplify right side
    32,421.78x = 965,575,505.40
  5. Step 5: Solve for x
    x = 965,575,505.40/32,421.78
  6. Step 6: Final answer
    x = 29,781.69

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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.