Home / 32,389.39-48,636.87-19,988.25

Finding the Fourth Proportional to 32,389.39, 48,636.87 and 19,988.25

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Solution

The fourth proportional to 32,389.39, 48,636.87 and 19,988.25 is: 30,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,389.39 : 48,636.87 = 19,988.25 : x
  2. Step 2: Convert to fraction form
    32,389.39/48,636.87 = 19,988.25/x
  3. Step 3: Cross multiply
    32,389.39x = 48,636.87 × 19,988.25
  4. Step 4: Simplify right side
    32,389.39x = 972,165,916.78
  5. Step 5: Solve for x
    x = 972,165,916.78/32,389.39
  6. Step 6: Final answer
    x = 30,014.95

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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.