Home / 29,973.86-45,011.82-28,719.98

Finding the Fourth Proportional to 29,973.86, 45,011.82 and 28,719.98

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Solution

The fourth proportional to 29,973.86, 45,011.82 and 28,719.98 is: 43,128.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,973.86 : 45,011.82 = 28,719.98 : x
  2. Step 2: Convert to fraction form
    29,973.86/45,011.82 = 28,719.98/x
  3. Step 3: Cross multiply
    29,973.86x = 45,011.82 × 28,719.98
  4. Step 4: Simplify right side
    29,973.86x = 1,292,738,570.16
  5. Step 5: Solve for x
    x = 1,292,738,570.16/29,973.86
  6. Step 6: Final answer
    x = 43,128.87

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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.