Home / 32,913.49-45,401.13-20,172.39

Finding the Fourth Proportional to 32,913.49, 45,401.13 and 20,172.39

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Solution

The fourth proportional to 32,913.49, 45,401.13 and 20,172.39 is: 27,825.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,913.49 : 45,401.13 = 20,172.39 : x
  2. Step 2: Convert to fraction form
    32,913.49/45,401.13 = 20,172.39/x
  3. Step 3: Cross multiply
    32,913.49x = 45,401.13 × 20,172.39
  4. Step 4: Simplify right side
    32,913.49x = 915,849,442.66
  5. Step 5: Solve for x
    x = 915,849,442.66/32,913.49
  6. Step 6: Final answer
    x = 27,825.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.