Home / 30,176.96-45,266.88-14,607.68

Finding the Fourth Proportional to 30,176.96, 45,266.88 and 14,607.68

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Solution

The fourth proportional to 30,176.96, 45,266.88 and 14,607.68 is: 21,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,176.96 : 45,266.88 = 14,607.68 : x
  2. Step 2: Convert to fraction form
    30,176.96/45,266.88 = 14,607.68/x
  3. Step 3: Cross multiply
    30,176.96x = 45,266.88 × 14,607.68
  4. Step 4: Simplify right side
    30,176.96x = 661,244,097.64
  5. Step 5: Solve for x
    x = 661,244,097.64/30,176.96
  6. Step 6: Final answer
    x = 21,912.22

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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.