Home / 39,926-59,888.76-10,343.76

Finding the Fourth Proportional to 39,926, 59,888.76 and 10,343.76

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Solution

The fourth proportional to 39,926, 59,888.76 and 10,343.76 is: 15,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,926 : 59,888.76 = 10,343.76 : x
  2. Step 2: Convert to fraction form
    39,926/59,888.76 = 10,343.76/x
  3. Step 3: Cross multiply
    39,926x = 59,888.76 × 10,343.76
  4. Step 4: Simplify right side
    39,926x = 619,474,960.14
  5. Step 5: Solve for x
    x = 619,474,960.14/39,926
  6. Step 6: Final answer
    x = 15,515.58

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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.