Home / 30,192.76-45,304.14-20,204.08

Finding the Fourth Proportional to 30,192.76, 45,304.14 and 20,204.08

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Solution

The fourth proportional to 30,192.76, 45,304.14 and 20,204.08 is: 30,316.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,192.76 : 45,304.14 = 20,204.08 : x
  2. Step 2: Convert to fraction form
    30,192.76/45,304.14 = 20,204.08/x
  3. Step 3: Cross multiply
    30,192.76x = 45,304.14 × 20,204.08
  4. Step 4: Simplify right side
    30,192.76x = 915,328,468.89
  5. Step 5: Solve for x
    x = 915,328,468.89/30,192.76
  6. Step 6: Final answer
    x = 30,316.16

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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.