Home / 34,971.12-52,461.84-12,779.31

Finding the Fourth Proportional to 34,971.12, 52,461.84 and 12,779.31

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Solution

The fourth proportional to 34,971.12, 52,461.84 and 12,779.31 is: 19,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,971.12 : 52,461.84 = 12,779.31 : x
  2. Step 2: Convert to fraction form
    34,971.12/52,461.84 = 12,779.31/x
  3. Step 3: Cross multiply
    34,971.12x = 52,461.84 × 12,779.31
  4. Step 4: Simplify right side
    34,971.12x = 670,426,116.53
  5. Step 5: Solve for x
    x = 670,426,116.53/34,971.12
  6. Step 6: Final answer
    x = 19,170.85

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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.