Home / 56,448.93-84,643.14-18,996.57

Finding the Fourth Proportional to 56,448.93, 84,643.14 and 18,996.57

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Solution

The fourth proportional to 56,448.93, 84,643.14 and 18,996.57 is: 28,484.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,448.93 : 84,643.14 = 18,996.57 : x
  2. Step 2: Convert to fraction form
    56,448.93/84,643.14 = 18,996.57/x
  3. Step 3: Cross multiply
    56,448.93x = 84,643.14 × 18,996.57
  4. Step 4: Simplify right side
    56,448.93x = 1,607,929,334.03
  5. Step 5: Solve for x
    x = 1,607,929,334.03/56,448.93
  6. Step 6: Final answer
    x = 28,484.67

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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.