Home / 30,300.14-45,452.28-10,301.49

Finding the Fourth Proportional to 30,300.14, 45,452.28 and 10,301.49

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Solution

The fourth proportional to 30,300.14, 45,452.28 and 10,301.49 is: 15,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,300.14 : 45,452.28 = 10,301.49 : x
  2. Step 2: Convert to fraction form
    30,300.14/45,452.28 = 10,301.49/x
  3. Step 3: Cross multiply
    30,300.14x = 45,452.28 × 10,301.49
  4. Step 4: Simplify right side
    30,300.14x = 468,226,207.90
  5. Step 5: Solve for x
    x = 468,226,207.90/30,300.14
  6. Step 6: Final answer
    x = 15,452.94

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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.