Home / 43,360.34-65,053.61-20,581.67

Finding the Fourth Proportional to 43,360.34, 65,053.61 and 20,581.67

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Solution

The fourth proportional to 43,360.34, 65,053.61 and 20,581.67 is: 30,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,360.34 : 65,053.61 = 20,581.67 : x
  2. Step 2: Convert to fraction form
    43,360.34/65,053.61 = 20,581.67/x
  3. Step 3: Cross multiply
    43,360.34x = 65,053.61 × 20,581.67
  4. Step 4: Simplify right side
    43,360.34x = 1,338,911,829.39
  5. Step 5: Solve for x
    x = 1,338,911,829.39/43,360.34
  6. Step 6: Final answer
    x = 30,878.72

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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.