Home / 52,400.81-78,632.75-19,123.79

Finding the Fourth Proportional to 52,400.81, 78,632.75 and 19,123.79

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Solution

The fourth proportional to 52,400.81, 78,632.75 and 19,123.79 is: 28,697.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,400.81 : 78,632.75 = 19,123.79 : x
  2. Step 2: Convert to fraction form
    52,400.81/78,632.75 = 19,123.79/x
  3. Step 3: Cross multiply
    52,400.81x = 78,632.75 × 19,123.79
  4. Step 4: Simplify right side
    52,400.81x = 1,503,755,852.77
  5. Step 5: Solve for x
    x = 1,503,755,852.77/52,400.81
  6. Step 6: Final answer
    x = 28,697.19

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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.