Home / 30,204.16-45,292.16-11,487.68

Finding the Fourth Proportional to 30,204.16, 45,292.16 and 11,487.68

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Solution

The fourth proportional to 30,204.16, 45,292.16 and 11,487.68 is: 17,226.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,204.16 : 45,292.16 = 11,487.68 : x
  2. Step 2: Convert to fraction form
    30,204.16/45,292.16 = 11,487.68/x
  3. Step 3: Cross multiply
    30,204.16x = 45,292.16 × 11,487.68
  4. Step 4: Simplify right side
    30,204.16x = 520,301,840.59
  5. Step 5: Solve for x
    x = 520,301,840.59/30,204.16
  6. Step 6: Final answer
    x = 17,226.16

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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.