Home / 30,300.39-45,452.66-10,301.74

Finding the Fourth Proportional to 30,300.39, 45,452.66 and 10,301.74

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Solution

The fourth proportional to 30,300.39, 45,452.66 and 10,301.74 is: 15,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,300.39 : 45,452.66 = 10,301.74 : x
  2. Step 2: Convert to fraction form
    30,300.39/45,452.66 = 10,301.74/x
  3. Step 3: Cross multiply
    30,300.39x = 45,452.66 × 10,301.74
  4. Step 4: Simplify right side
    30,300.39x = 468,241,434.12
  5. Step 5: Solve for x
    x = 468,241,434.12/30,300.39
  6. Step 6: Final answer
    x = 15,453.31

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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.