Home / 32,428.90-48,634.63-12,434.05

Finding the Fourth Proportional to 32,428.90, 48,634.63 and 12,434.05

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Solution

The fourth proportional to 32,428.90, 48,634.63 and 12,434.05 is: 18,647.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,428.90 : 48,634.63 = 12,434.05 : x
  2. Step 2: Convert to fraction form
    32,428.90/48,634.63 = 12,434.05/x
  3. Step 3: Cross multiply
    32,428.90x = 48,634.63 × 12,434.05
  4. Step 4: Simplify right side
    32,428.90x = 604,725,421.15
  5. Step 5: Solve for x
    x = 604,725,421.15/32,428.90
  6. Step 6: Final answer
    x = 18,647.73

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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.