Home / 74,402.32-111,576.12-30,017.20

Finding the Fourth Proportional to 74,402.32, 111,576.12 and 30,017.20

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Solution

The fourth proportional to 74,402.32, 111,576.12 and 30,017.20 is: 45,014.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,402.32 : 111,576.12 = 30,017.20 : x
  2. Step 2: Convert to fraction form
    74,402.32/111,576.12 = 30,017.20/x
  3. Step 3: Cross multiply
    74,402.32x = 111,576.12 × 30,017.20
  4. Step 4: Simplify right side
    74,402.32x = 3,349,202,709.26
  5. Step 5: Solve for x
    x = 3,349,202,709.26/74,402.32
  6. Step 6: Final answer
    x = 45,014.76

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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.