Home / 64,200.12-96,219.96-30,913.98

Finding the Fourth Proportional to 64,200.12, 96,219.96 and 30,913.98

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Solution

The fourth proportional to 64,200.12, 96,219.96 and 30,913.98 is: 46,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,200.12 : 96,219.96 = 30,913.98 : x
  2. Step 2: Convert to fraction form
    64,200.12/96,219.96 = 30,913.98/x
  3. Step 3: Cross multiply
    64,200.12x = 96,219.96 × 30,913.98
  4. Step 4: Simplify right side
    64,200.12x = 2,974,541,919.04
  5. Step 5: Solve for x
    x = 2,974,541,919.04/64,200.12
  6. Step 6: Final answer
    x = 46,332.34

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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.