Home / 51,539.40-71,140.14-30,035.52

Finding the Fourth Proportional to 51,539.40, 71,140.14 and 30,035.52

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Solution

The fourth proportional to 51,539.40, 71,140.14 and 30,035.52 is: 41,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,539.40 : 71,140.14 = 30,035.52 : x
  2. Step 2: Convert to fraction form
    51,539.40/71,140.14 = 30,035.52/x
  3. Step 3: Cross multiply
    51,539.40x = 71,140.14 × 30,035.52
  4. Step 4: Simplify right side
    51,539.40x = 2,136,731,097.77
  5. Step 5: Solve for x
    x = 2,136,731,097.77/51,539.40
  6. Step 6: Final answer
    x = 41,458.21

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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.