Home / 56,379.15-84,555.05-18,421.04

Finding the Fourth Proportional to 56,379.15, 84,555.05 and 18,421.04

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Solution

The fourth proportional to 56,379.15, 84,555.05 and 18,421.04 is: 27,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,379.15 : 84,555.05 = 18,421.04 : x
  2. Step 2: Convert to fraction form
    56,379.15/84,555.05 = 18,421.04/x
  3. Step 3: Cross multiply
    56,379.15x = 84,555.05 × 18,421.04
  4. Step 4: Simplify right side
    56,379.15x = 1,557,591,443.37
  5. Step 5: Solve for x
    x = 1,557,591,443.37/56,379.15
  6. Step 6: Final answer
    x = 27,627.08

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1.5x scale

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.