Home / 43,178.69-64,770.35-13,598.83

Finding the Fourth Proportional to 43,178.69, 64,770.35 and 13,598.83

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Solution

The fourth proportional to 43,178.69, 64,770.35 and 13,598.83 is: 20,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,178.69 : 64,770.35 = 13,598.83 : x
  2. Step 2: Convert to fraction form
    43,178.69/64,770.35 = 13,598.83/x
  3. Step 3: Cross multiply
    43,178.69x = 64,770.35 × 13,598.83
  4. Step 4: Simplify right side
    43,178.69x = 880,800,748.77
  5. Step 5: Solve for x
    x = 880,800,748.77/43,178.69
  6. Step 6: Final answer
    x = 20,398.97

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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.