Home / 56,645.34-84,977.18-18,683.26

Finding the Fourth Proportional to 56,645.34, 84,977.18 and 18,683.26

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Solution

The fourth proportional to 56,645.34, 84,977.18 and 18,683.26 is: 28,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,645.34 : 84,977.18 = 18,683.26 : x
  2. Step 2: Convert to fraction form
    56,645.34/84,977.18 = 18,683.26/x
  3. Step 3: Cross multiply
    56,645.34x = 84,977.18 × 18,683.26
  4. Step 4: Simplify right side
    56,645.34x = 1,587,650,748.01
  5. Step 5: Solve for x
    x = 1,587,650,748.01/56,645.34
  6. Step 6: Final answer
    x = 28,027.91

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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.