Home / 56,740.66-85,086.37-19,290.67

Finding the Fourth Proportional to 56,740.66, 85,086.37 and 19,290.67

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Solution

The fourth proportional to 56,740.66, 85,086.37 and 19,290.67 is: 28,927.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,740.66 : 85,086.37 = 19,290.67 : x
  2. Step 2: Convert to fraction form
    56,740.66/85,086.37 = 19,290.67/x
  3. Step 3: Cross multiply
    56,740.66x = 85,086.37 × 19,290.67
  4. Step 4: Simplify right side
    56,740.66x = 1,641,373,085.17
  5. Step 5: Solve for x
    x = 1,641,373,085.17/56,740.66
  6. Step 6: Final answer
    x = 28,927.63

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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.