Home / 30,127.38-45,161.16-14,304.60

Finding the Fourth Proportional to 30,127.38, 45,161.16 and 14,304.60

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Solution

The fourth proportional to 30,127.38, 45,161.16 and 14,304.60 is: 21,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.38 : 45,161.16 = 14,304.60 : x
  2. Step 2: Convert to fraction form
    30,127.38/45,161.16 = 14,304.60/x
  3. Step 3: Cross multiply
    30,127.38x = 45,161.16 × 14,304.60
  4. Step 4: Simplify right side
    30,127.38x = 646,012,329.34
  5. Step 5: Solve for x
    x = 646,012,329.34/30,127.38
  6. Step 6: Final answer
    x = 21,442.70

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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.