Home / 96,995.96-145,500.10-30,438.72

Finding the Fourth Proportional to 96,995.96, 145,500.10 and 30,438.72

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Solution

The fourth proportional to 96,995.96, 145,500.10 and 30,438.72 is: 45,660.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,995.96 : 145,500.10 = 30,438.72 : x
  2. Step 2: Convert to fraction form
    96,995.96/145,500.10 = 30,438.72/x
  3. Step 3: Cross multiply
    96,995.96x = 145,500.10 × 30,438.72
  4. Step 4: Simplify right side
    96,995.96x = 4,428,836,803.87
  5. Step 5: Solve for x
    x = 4,428,836,803.87/96,995.96
  6. Step 6: Final answer
    x = 45,660.01

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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.