Home / 30,147.27-45,200.97-13,484.37

Finding the Fourth Proportional to 30,147.27, 45,200.97 and 13,484.37

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Solution

The fourth proportional to 30,147.27, 45,200.97 and 13,484.37 is: 20,217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,147.27 : 45,200.97 = 13,484.37 : x
  2. Step 2: Convert to fraction form
    30,147.27/45,200.97 = 13,484.37/x
  3. Step 3: Cross multiply
    30,147.27x = 45,200.97 × 13,484.37
  4. Step 4: Simplify right side
    30,147.27x = 609,506,603.84
  5. Step 5: Solve for x
    x = 609,506,603.84/30,147.27
  6. Step 6: Final answer
    x = 20,217.64

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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.