Home / 39,390.75-59,095.86-11,688.75

Finding the Fourth Proportional to 39,390.75, 59,095.86 and 11,688.75

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Solution

The fourth proportional to 39,390.75, 59,095.86 and 11,688.75 is: 17,536.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,390.75 : 59,095.86 = 11,688.75 : x
  2. Step 2: Convert to fraction form
    39,390.75/59,095.86 = 11,688.75/x
  3. Step 3: Cross multiply
    39,390.75x = 59,095.86 × 11,688.75
  4. Step 4: Simplify right side
    39,390.75x = 690,756,733.58
  5. Step 5: Solve for x
    x = 690,756,733.58/39,390.75
  6. Step 6: Final answer
    x = 17,536.01

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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.