Home / 51,528.13-71,108.81-29,172.13

Finding the Fourth Proportional to 51,528.13, 71,108.81 and 29,172.13

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Solution

The fourth proportional to 51,528.13, 71,108.81 and 29,172.13 is: 40,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,528.13 : 71,108.81 = 29,172.13 : x
  2. Step 2: Convert to fraction form
    51,528.13/71,108.81 = 29,172.13/x
  3. Step 3: Cross multiply
    51,528.13x = 71,108.81 × 29,172.13
  4. Step 4: Simplify right side
    51,528.13x = 2,074,395,449.47
  5. Step 5: Solve for x
    x = 2,074,395,449.47/51,528.13
  6. Step 6: Final answer
    x = 40,257.53

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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.