Home / 70,350.13-105,515.43-17,756.47

Finding the Fourth Proportional to 70,350.13, 105,515.43 and 17,756.47

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Solution

The fourth proportional to 70,350.13, 105,515.43 and 17,756.47 is: 26,632.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,350.13 : 105,515.43 = 17,756.47 : x
  2. Step 2: Convert to fraction form
    70,350.13/105,515.43 = 17,756.47/x
  3. Step 3: Cross multiply
    70,350.13x = 105,515.43 × 17,756.47
  4. Step 4: Simplify right side
    70,350.13x = 1,873,581,567.33
  5. Step 5: Solve for x
    x = 1,873,581,567.33/70,350.13
  6. Step 6: Final answer
    x = 26,632.24

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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.