Home / 30,324.32-45,484.95-11,613.32

Finding the Fourth Proportional to 30,324.32, 45,484.95 and 11,613.32

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Solution

The fourth proportional to 30,324.32, 45,484.95 and 11,613.32 is: 17,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,324.32 : 45,484.95 = 11,613.32 : x
  2. Step 2: Convert to fraction form
    30,324.32/45,484.95 = 11,613.32/x
  3. Step 3: Cross multiply
    30,324.32x = 45,484.95 × 11,613.32
  4. Step 4: Simplify right side
    30,324.32x = 528,231,052.11
  5. Step 5: Solve for x
    x = 528,231,052.11/30,324.32
  6. Step 6: Final answer
    x = 17,419.39

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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.