Home / 30,162.60-45,244.08-9,102.66

Finding the Fourth Proportional to 30,162.60, 45,244.08 and 9,102.66

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Solution

The fourth proportional to 30,162.60, 45,244.08 and 9,102.66 is: 13,654.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,162.60 : 45,244.08 = 9,102.66 : x
  2. Step 2: Convert to fraction form
    30,162.60/45,244.08 = 9,102.66/x
  3. Step 3: Cross multiply
    30,162.60x = 45,244.08 × 9,102.66
  4. Step 4: Simplify right side
    30,162.60x = 411,841,477.25
  5. Step 5: Solve for x
    x = 411,841,477.25/30,162.60
  6. Step 6: Final answer
    x = 13,654.04

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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.