Home / 34,045.20-51,154.20-30,243.60

Finding the Fourth Proportional to 34,045.20, 51,154.20 and 30,243.60

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Solution

The fourth proportional to 34,045.20, 51,154.20 and 30,243.60 is: 45,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,045.20 : 51,154.20 = 30,243.60 : x
  2. Step 2: Convert to fraction form
    34,045.20/51,154.20 = 30,243.60/x
  3. Step 3: Cross multiply
    34,045.20x = 51,154.20 × 30,243.60
  4. Step 4: Simplify right side
    34,045.20x = 1,547,087,163.12
  5. Step 5: Solve for x
    x = 1,547,087,163.12/34,045.20
  6. Step 6: Final answer
    x = 45,442.15

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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.