Home / 30,576.60-45,869.18-9,518.19

Finding the Fourth Proportional to 30,576.60, 45,869.18 and 9,518.19

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Solution

The fourth proportional to 30,576.60, 45,869.18 and 9,518.19 is: 14,278.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,576.60 : 45,869.18 = 9,518.19 : x
  2. Step 2: Convert to fraction form
    30,576.60/45,869.18 = 9,518.19/x
  3. Step 3: Cross multiply
    30,576.60x = 45,869.18 × 9,518.19
  4. Step 4: Simplify right side
    30,576.60x = 436,591,570.38
  5. Step 5: Solve for x
    x = 436,591,570.38/30,576.60
  6. Step 6: Final answer
    x = 14,278.62

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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.