Home / 30,167.67-45,266.58-13,539.60

Finding the Fourth Proportional to 30,167.67, 45,266.58 and 13,539.60

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Solution

The fourth proportional to 30,167.67, 45,266.58 and 13,539.60 is: 20,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,167.67 : 45,266.58 = 13,539.60 : x
  2. Step 2: Convert to fraction form
    30,167.67/45,266.58 = 13,539.60/x
  3. Step 3: Cross multiply
    30,167.67x = 45,266.58 × 13,539.60
  4. Step 4: Simplify right side
    30,167.67x = 612,891,386.57
  5. Step 5: Solve for x
    x = 612,891,386.57/30,167.67
  6. Step 6: Final answer
    x = 20,316.17

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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.