Home / 29,985.76-44,979.45-7,798.66

Finding the Fourth Proportional to 29,985.76, 44,979.45 and 7,798.66

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Solution

The fourth proportional to 29,985.76, 44,979.45 and 7,798.66 is: 11,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,985.76 : 44,979.45 = 7,798.66 : x
  2. Step 2: Convert to fraction form
    29,985.76/44,979.45 = 7,798.66/x
  3. Step 3: Cross multiply
    29,985.76x = 44,979.45 × 7,798.66
  4. Step 4: Simplify right side
    29,985.76x = 350,779,437.54
  5. Step 5: Solve for x
    x = 350,779,437.54/29,985.76
  6. Step 6: Final answer
    x = 11,698.20

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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.