Home / 43,267.58-64,937.86-16,990.78

Finding the Fourth Proportional to 43,267.58, 64,937.86 and 16,990.78

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Solution

The fourth proportional to 43,267.58, 64,937.86 and 16,990.78 is: 25,500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,267.58 : 64,937.86 = 16,990.78 : x
  2. Step 2: Convert to fraction form
    43,267.58/64,937.86 = 16,990.78/x
  3. Step 3: Cross multiply
    43,267.58x = 64,937.86 × 16,990.78
  4. Step 4: Simplify right side
    43,267.58x = 1,103,344,892.93
  5. Step 5: Solve for x
    x = 1,103,344,892.93/43,267.58
  6. Step 6: Final answer
    x = 25,500.50

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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.