Home / 56,158.47-84,209.52-18,705.37

Finding the Fourth Proportional to 56,158.47, 84,209.52 and 18,705.37

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Solution

The fourth proportional to 56,158.47, 84,209.52 and 18,705.37 is: 28,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,158.47 : 84,209.52 = 18,705.37 : x
  2. Step 2: Convert to fraction form
    56,158.47/84,209.52 = 18,705.37/x
  3. Step 3: Cross multiply
    56,158.47x = 84,209.52 × 18,705.37
  4. Step 4: Simplify right side
    56,158.47x = 1,575,170,229.12
  5. Step 5: Solve for x
    x = 1,575,170,229.12/56,158.47
  6. Step 6: Final answer
    x = 28,048.67

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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.