Home / 30,036.68-45,005.54-10,304.40

Finding the Fourth Proportional to 30,036.68, 45,005.54 and 10,304.40

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Solution

The fourth proportional to 30,036.68, 45,005.54 and 10,304.40 is: 15,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,036.68 : 45,005.54 = 10,304.40 : x
  2. Step 2: Convert to fraction form
    30,036.68/45,005.54 = 10,304.40/x
  3. Step 3: Cross multiply
    30,036.68x = 45,005.54 × 10,304.40
  4. Step 4: Simplify right side
    30,036.68x = 463,755,034.85
  5. Step 5: Solve for x
    x = 463,755,034.85/30,036.68
  6. Step 6: Final answer
    x = 15,439.63

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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.