Home / 34,116.53-47,080.91-19,779.15

Finding the Fourth Proportional to 34,116.53, 47,080.91 and 19,779.15

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Solution

The fourth proportional to 34,116.53, 47,080.91 and 19,779.15 is: 27,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,116.53 : 47,080.91 = 19,779.15 : x
  2. Step 2: Convert to fraction form
    34,116.53/47,080.91 = 19,779.15/x
  3. Step 3: Cross multiply
    34,116.53x = 47,080.91 × 19,779.15
  4. Step 4: Simplify right side
    34,116.53x = 931,220,430.47
  5. Step 5: Solve for x
    x = 931,220,430.47/34,116.53
  6. Step 6: Final answer
    x = 27,295.28

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1.5x scale

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.