Home / 52,457.05-78,669.93-19,169.39

Finding the Fourth Proportional to 52,457.05, 78,669.93 and 19,169.39

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Solution

The fourth proportional to 52,457.05, 78,669.93 and 19,169.39 is: 28,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,457.05 : 78,669.93 = 19,169.39 : x
  2. Step 2: Convert to fraction form
    52,457.05/78,669.93 = 19,169.39/x
  3. Step 3: Cross multiply
    52,457.05x = 78,669.93 × 19,169.39
  4. Step 4: Simplify right side
    52,457.05x = 1,508,054,838.00
  5. Step 5: Solve for x
    x = 1,508,054,838.00/52,457.05
  6. Step 6: Final answer
    x = 28,748.37

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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.