Home / 43,125.20-64,632.60-34,809.20

Finding the Fourth Proportional to 43,125.20, 64,632.60 and 34,809.20

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Solution

The fourth proportional to 43,125.20, 64,632.60 and 34,809.20 is: 52,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,125.20 : 64,632.60 = 34,809.20 : x
  2. Step 2: Convert to fraction form
    43,125.20/64,632.60 = 34,809.20/x
  3. Step 3: Cross multiply
    43,125.20x = 64,632.60 × 34,809.20
  4. Step 4: Simplify right side
    43,125.20x = 2,249,809,099.92
  5. Step 5: Solve for x
    x = 2,249,809,099.92/43,125.20
  6. Step 6: Final answer
    x = 52,169.24

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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.