Home / 34,742.05-51,988.50-30,078.10

Finding the Fourth Proportional to 34,742.05, 51,988.50 and 30,078.10

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Solution

The fourth proportional to 34,742.05, 51,988.50 and 30,078.10 is: 45,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,742.05 : 51,988.50 = 30,078.10 : x
  2. Step 2: Convert to fraction form
    34,742.05/51,988.50 = 30,078.10/x
  3. Step 3: Cross multiply
    34,742.05x = 51,988.50 × 30,078.10
  4. Step 4: Simplify right side
    34,742.05x = 1,563,715,301.85
  5. Step 5: Solve for x
    x = 1,563,715,301.85/34,742.05
  6. Step 6: Final answer
    x = 45,009.30

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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.