Home / 30,164.10-45,246.15-18,354.30

Finding the Fourth Proportional to 30,164.10, 45,246.15 and 18,354.30

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Solution

The fourth proportional to 30,164.10, 45,246.15 and 18,354.30 is: 27,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164.10 : 45,246.15 = 18,354.30 : x
  2. Step 2: Convert to fraction form
    30,164.10/45,246.15 = 18,354.30/x
  3. Step 3: Cross multiply
    30,164.10x = 45,246.15 × 18,354.30
  4. Step 4: Simplify right side
    30,164.10x = 830,461,410.95
  5. Step 5: Solve for x
    x = 830,461,410.95/30,164.10
  6. Step 6: Final answer
    x = 27,531.45

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Similar ratio
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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.