Home / 52,291.24-78,430.38-19,009.96

Finding the Fourth Proportional to 52,291.24, 78,430.38 and 19,009.96

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Solution

The fourth proportional to 52,291.24, 78,430.38 and 19,009.96 is: 28,512.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,291.24 : 78,430.38 = 19,009.96 : x
  2. Step 2: Convert to fraction form
    52,291.24/78,430.38 = 19,009.96/x
  3. Step 3: Cross multiply
    52,291.24x = 78,430.38 × 19,009.96
  4. Step 4: Simplify right side
    52,291.24x = 1,490,958,386.58
  5. Step 5: Solve for x
    x = 1,490,958,386.58/52,291.24
  6. Step 6: Final answer
    x = 28,512.58

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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.