Home / 76,045.69-114,051.57-21,998.53

Finding the Fourth Proportional to 76,045.69, 114,051.57 and 21,998.53

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Solution

The fourth proportional to 76,045.69, 114,051.57 and 21,998.53 is: 32,992.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,045.69 : 114,051.57 = 21,998.53 : x
  2. Step 2: Convert to fraction form
    76,045.69/114,051.57 = 21,998.53/x
  3. Step 3: Cross multiply
    76,045.69x = 114,051.57 × 21,998.53
  4. Step 4: Simplify right side
    76,045.69x = 2,508,966,884.19
  5. Step 5: Solve for x
    x = 2,508,966,884.19/76,045.69
  6. Step 6: Final answer
    x = 32,992.89

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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.