Home / 52,013.61-71,779.92-28,729.98

Finding the Fourth Proportional to 52,013.61, 71,779.92 and 28,729.98

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Solution

The fourth proportional to 52,013.61, 71,779.92 and 28,729.98 is: 39,648.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,013.61 : 71,779.92 = 28,729.98 : x
  2. Step 2: Convert to fraction form
    52,013.61/71,779.92 = 28,729.98/x
  3. Step 3: Cross multiply
    52,013.61x = 71,779.92 × 28,729.98
  4. Step 4: Simplify right side
    52,013.61x = 2,062,235,971.00
  5. Step 5: Solve for x
    x = 2,062,235,971.00/52,013.61
  6. Step 6: Final answer
    x = 39,648.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.