Home / 34,129.47-51,159.09-13,064.55

Finding the Fourth Proportional to 34,129.47, 51,159.09 and 13,064.55

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Solution

The fourth proportional to 34,129.47, 51,159.09 and 13,064.55 is: 19,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,129.47 : 51,159.09 = 13,064.55 : x
  2. Step 2: Convert to fraction form
    34,129.47/51,159.09 = 13,064.55/x
  3. Step 3: Cross multiply
    34,129.47x = 51,159.09 × 13,064.55
  4. Step 4: Simplify right side
    34,129.47x = 668,370,489.26
  5. Step 5: Solve for x
    x = 668,370,489.26/34,129.47
  6. Step 6: Final answer
    x = 19,583.38

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1.5x scale

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.